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00:00It's inspiring to be working on something that's this large.
00:12Steel. There's something almost unreal about working with machinery on this scale.
00:17When you stand next to it, you don't just see the size, you feel it.
00:22It's engineering pushed to the extreme,
00:25built for environments that test every bolt and every weld.
00:30Inside these massive caterpillar factories,
00:33machines are born that will soon carve through some of the toughest terrain on Earth,
00:38as well as factory-quality installation.
00:41This is heavy industry at its peak,
00:43a mechanical giant crafted with precision, purpose, and brute strength.
00:48You're looking at one of the most powerful bulldozers on the planet,
00:52a workhorse trusted in mines, quarries, and megaprojects worldwide.
00:57This is the Caterpillar D11, and the numbers behind it are staggering.
01:03A height that towers over most people, a weight tipping past 100 tons,
01:08a power plant capable of unleashing hundreds of horsepower into the ground,
01:12driving a blade designed to shove aside earth, rock, and anything else in its path.
01:18It doesn't just move dirt, it reshapes entire landscapes.
01:27Building a machine like this is a monumental task,
01:30and in Caterpillar's enormous production halls,
01:33you're about to see how this steel titan comes to life.
01:37The Caterpillar D11, the world's most powerful production bulldozer,
01:41is a titan of industrial force.
01:44From mine sites, to large quarries, to the harshest overburden on the planet,
01:49the D11 doesn't just survive in extreme conditions, it dominates them.
01:55Whether it's carving through the rugged landscapes of a remote mine,
01:58pushing tons of molten rock and volcanic terrain,
02:02or reshaping earth for massive construction projects,
02:05there's one machine that seems to be everywhere the job is too big for anything else.
02:11Caterpillar D11
02:14This is the world's second largest dozer.
02:17It is 35.8 feet long, 10.4 feet wide, and 14.9 feet high.
02:25Usually such are the dimensions of a bus, not a dozer,
02:28but this dozer is still shorter in size compared to the world's largest dozer,
02:33which is the Komatsu D575.
02:36The Caterpillar D11 is surprisingly handy for its operator, even though it's enormous,
02:41and that comes down to thoughtful design and advanced technology.
02:45First, the cab is built for comfort and visibility.
02:48Operators sit high up, with wide windows all around,
02:52giving them a clear view of the blade, ripper, and surrounding worksite.
02:56Everything they need, controls for steering, blade movement, and attachments,
03:02is within easy reach, reducing fatigue over long shifts.
03:06Second, the D11 is equipped with powerful hydraulics and precise control systems,
03:11meaning the massive blade and ripper respond smoothly to small movements of the controls.
03:16Even though the machine can push thousands of tons,
03:20the operator can make subtle adjustments, making the work feel almost effortless.
03:25Third, modern D11s often have automation and assist technologies,
03:31like grade control systems and load sensors.
03:34These tools guide the machine automatically in digging, leveling, and moving material,
03:40which reduces stress on the operator and increases efficiency.
03:44Finally, safety features like reinforced cabs, cameras, and alarms make it easier to work in tough conditions.
03:53Even in muddy mines, rocky terrain, or lava-like hot conditions,
03:58operators can focus on moving earth rather than constantly battling the machine.
04:03Inside the Caterpillar factory, each part of the D11 is handled with a level of precision and scale
04:09that feels almost surreal.
04:11The machine begins with its mainframe, created from molten steel poured into enormous molds.
04:20Once the casting cools, cranes lift the rough frame onto machining platforms,
04:25where multi-axis CNC machines carve out exact mounting points,
04:30so every future component fits perfectly.
04:33From there, the undercarriage and track frames are built in separate fabrication bays.
04:38Steel plates are cut by plasma torches, welded into long, boxed structures, and then machined for straightness.
04:46Rollers, idlers, and hub housings are pressed into place using hydraulic presses,
04:52while track shoes are individually forged and pinned together by automated track press machines
04:57that assemble chain links weighing hundreds of kilograms each.
05:01Over time, three primary blade types became standard in the industry.
05:06The S-blade, or straight blade, is the most basic.
05:11It's short, lacks side wings, and is designed for precise tasks like fine grading,
05:17and handling broken or granular materials like soil, sand, and gravel.
05:22Usually, only small and medium-sized dozers are equipped with the S-blades.
05:28The U-blade, or universal blade, features high curvature and large side wings.
05:33It can move a large volume of material, ideal for softer soils and tasks like ditching, hauling, and crowning.
05:41The S-U-blade, a hybrid of the two, offers a balance between penetration and capacity.
05:47With moderate curvature and smaller wings, it's suited for pushing medium-density soils
05:52and handling longer-distance grading, stumping, and ditching work.
05:57Nearby, the D11's heart, the CAT C32 engine, is assembled in a controlled, dust-free environment.
06:05Each part is measured, torqued, and calibrated before the engine is locked onto a dyno stand
06:11and run under simulated heavy loads.
06:14Only engines that meet Caterpillar's strict performance standards move to the assembly line.
06:20The transmission and final drives are next, built in clean assembly zones where gears, bearings, and shafts
06:26are monitored with laser tools to ensure silent, smooth operation.
06:31These massive powertrain units are assembled as complete modules and tested before installation.
06:37In hydraulic assembly cells, workers build the D11's blade and ripper cylinders.
06:42Tubes are honed to mirror-like finishes, seals are installed by robotic arms, and each cylinder
06:48is pressure-tested to confirm it can survive extreme earth-moving forces.
06:53The blade itself is constructed in one of the most dramatic sections of the factory.
06:58Thick plates of hardened steel are bent in powerful presses to create the D11's signature curved face.
07:05Robotic welders move along the seams, melting plate and rib together until the structure becomes a single, rigid piece capable of pushing unimaginable loads.
07:16The ripper assembly undergoes a similar process.
07:19Its massive shank is forged, heat-treated, and sharpened before being welded to its heavy-duty frame.
07:26Meanwhile, the operator cab is built like an independent vehicle.
07:31Technicians install wiring harnesses, insulation, climate systems, glass panels, and touch-screen interfaces
07:39before the entire cab is bench-tested electrically.
07:43But the frame, for the most part, stays around for the entire life of the truck.
07:47When all major components are ready, they converge at the final assembly line.
07:52The mainframe advances slowly along a rail system while cranes lower completed modules into place.
07:59First the engine, then the transmission, then the final drives.
08:04Undercarriage frames are bolted on, and the enormous track chains are wrapped around the sprockets and tensioned.
08:11Hydraulic lines are connected, the blade is mounted, and the ripper is secured.
08:16Finally, the cab is lifted and installed like a cockpit.
08:21Every bolt is tightened with calibrated torque tools, every connection checked with diagnostic systems,
08:28and every alignment verified with lasers.
08:31Once assembled, the D11 moves into the testing bay where it roars to life for the first time.
08:37Operators cycle its blade, run its tracks, engage its ripper, and push its hydraulics to full pressure.
08:44Only after passing every inspection is the machine prepared for shipment, often partially disassembled again so it can travel on heavy haul trailers to its final destination,
08:55where it will be reassembled and put to work reshaping the earth.
08:59When the metal reaches the right chemistry and temperature, a specialized team takes over.
09:04They guide a heavy-duty crane toward the furnace, positioning an empty ladle big enough to hold several tons of molten steel.
09:13As the furnace tilts, a blinding stream of glowing metal pours into the ladle, flowing like liquid sunlight.
09:20But this is more than just pouring hot metal.
09:23The foundry crew has to fine-tune the mixture.
09:26They add measured amounts of alloying elements like chromium, manganese, and silicon.
09:31These ingredients drive out impurities like oxygen and nitrogen, preventing bubbles, voids, or weak spots from forming deep inside the steel.
09:40A single trapped pocket of gas could compromise the strength of the D11's frame, so precision here is everything.
09:48Now comes the delicate part.
09:50The ladle crew guides the full ladle across the foundry floor toward a waiting mold.
09:55Inside that mold is a hollow cavity shaped exactly like the D11's lower mainframe section.
10:01Every curve, every rib, every bolt boss.
10:12The mold itself is made from specially packed sand, coated with heat-resistant binders, capable of holding shape under extreme temperature.
10:21As the crew positions the ladle over the mold's opening, the metal inside is still violently glowing, swirling under its own heat.
10:30The operator tilts the ladle, and the molten steel streams down into the mold, filling every corner and pocket.
10:37It's a critical moment.
10:39If the flow is too fast, the metal could erode the mold, too slow, and the steel could solidify before filling the cavity.
10:47Years of experience guide the operator's hand as the mold fills perfectly.
10:52When the pour is complete, the metal begins to cool, slowly shrinking into a solid form.
10:58Hours later, the mold is cracked open, revealing a raw casting.
11:04The skeleton of the D11.
11:07Still covered in sand and casting marks, it is lifted out by cranes and moved to another part of the factory where excess metal is cut away.
11:16After that, the casting heads to precision machining bays where massive milling machines trim surfaces, drill mounting holes, and create perfectly aligned interfaces for the engine, transmission, and undercarriage components.
11:31This casting will become the structural heart of the D11, the piece that carries the stress and muscle of one of the world's most powerful bulldozers, forged in heat and shaped by engineering disciplines that push the limits of steel.
11:45Inside Caterpillar's East Peoria factory, the D11 is more than a bulldozer.
11:51It's a testament to decades of engineering and craftsmanship.
11:54From the moment molten steel is poured to form its massive frame, every part of this machine is meticulously handled, assembled, and tested by skilled crews.
12:05By 2024, the D11 had reached a landmark 6,000 units produced, a clear signal of its central role in global mining, earthmoving, and infrastructure projects.
12:16But the D11 doesn't stand alone. It belongs to a lineage of large dozers that, by 2018, collectively hit 40,000 units, including the D9 and D10 families.
12:30This scale of production shows not just quantity, but respect.
12:34The D11 has become a trusted workhorse for moving enormous amounts of material safely and efficiently.
12:41Each machine that rolls out of East Peoria represents decades of accumulated knowledge, precision engineering, and industrial might,
12:50a machine capable of literally reshaping landscapes.
12:54Walking through the factory, you can feel the hum of cranes, the heat of molten metal, and the careful choreography of assembly,
13:02everything synchronized to forge a bulldozer that will go on to tackle the most demanding jobs on the planet.
13:09Mining sites are not for people with weak hearts.
13:22There, bomb blasts every now and then, and the giant machines roar with their powerful engines.
13:30One such monstrous machine is the CAT 7495.
13:35This rope shovel weighs more than 50,033 US tons and stands taller than 65 feet, which is equal to the height of a five-story building.
13:45Operating such a large machine is a challenge in itself.
13:48The rope shovel takes four megawatts of electric power to work, and the operator has to timely fill two ultra-large dump trucks, which consume gallons of fuel in minutes.
13:59So, each movement of these beasts costs a chunk of money, and miners count every pass.
14:05But despite all that, a rope shovel is considered the lowest cost per-ton solution for large open-pit mines.
14:15One reason is its large dipper.
14:17The CAT 7495 rope shovel can be equipped with a dipper ranging from 40 to 82 cubic yards.
14:24It cuts the hard rock and can scoop up more than 120 short tons of payload in a single pass.
14:31With the 82 cubic yard dipper, this rope shovel can fill a CAT 797 in just three passes.
14:39Like its companion machine, the CAT 797 is one of the largest dump trucks on Earth, with a payload capacity of 400 short tons.
14:49From digging to delivering material on a dumper, a rope shovel does its job in four steps.
14:56In the first step, the dipper is pulled up to cut the material.
15:02In order to do this, the rope shovel pulls the hoist rope with its high-torkey gear system powered by electric drives.
15:09The dipper does not just move upward.
15:12It is pushed forward by the dipper handle, which results in an arc-shaped loading profile for better digging.
15:18This movement is known as crowding.
15:22Likewise, the dipper handle moves back, which is known as retracting.
15:27Typically, a rope crowd system is installed for crowding and retracting.
15:31It comprises a motor, brake and gear system.
15:35But to enhance the performance and longevity of the CAT 7495, Caterpillar has designed a new crowd system, the Hydro Crowd.
15:45Instead of controlling the dipper handle with different components, they built a new dipper handle with a tube-enclosed hydraulic cylinder that operates like a hydraulic piston.
15:55This advancement eliminated routine crowd or retract rope changes and extended a major maintenance time to two years.
16:04Next, the rope shovel rotates horizontally to deliver the material to the dump truck.
16:10It is called the swinging phase, and the rope shovel can only do that because of its swing rack system.
16:16The CAT 7495 has a completely casted 17-foot diameter swing rack, weighing up to 45,000 pounds.
16:25Connected via pinion shafts and gearbox, two vertically mounted motors simultaneously engage the swift to rotate the upper carriage.
16:34Other than rotation, a swing rack bears the inertia of the upper body and its movement.
16:40After rotating its dipper over the dump truck, the trip cable is pulled up.
16:44It unlocks the door to discharge the material.
16:47A standard dipper has a latch system that locks the door with a latch bar when the dipper gets filled with material.
16:54Likewise, the latch bar has to be pulled out to unlock the door.
16:58Moreover, the locking and unlocking components of a standard dipper are located on the bottom of its door.
17:05Thus, the material being mined directly damages and causes the opening or closing of doors to fail.
17:13CAT engineers effectively dealt with this problem by redesigning a new dipper for their CAT 7495 rope shovel.
17:21All of its locking and unlocking components, such as the link assembly, camshaft, outboard support and trip arm, are on top.
17:30Because of the over-center angle between door geometry and the link assembly, the dipper's door gets locked.
17:37It closes by gravity as the dripper is lowered.
17:41To unlock the door, the trip button is activated which rotates the camshaft, pushing the link up and unlocking the door.
17:48Lastly, the dipper is returned to the dig face to take more material.
17:53On average, an experienced rope shovel operator completes a dig cycle in 28 to 80 seconds.
18:00Ideally, an operator must ensure minimal shovel hang time by optimizing the shovel swing angle.
18:07However, accomplishing this ideal load cycle is not easy, as the efficiency and safety of haul trucks maneuvering at shovels, crushes and dumps vary dramatically with operator skill.
18:19Moreover, the lack of available and recruitable skilled operators further complicates the variability of operator capability across a mine site.
18:29As a result, standard operating procedures are adopted at open-pit mines to ensure safe mining and cost-effective production.
18:38There are primarily four loading methods for a rope shovel, each with advantages and cons.
18:45Generally, the single backup loading method is praised for its simplicity and safety.
18:55The dump truck in reverse gear approaches the shovel from one side.
19:00The shovel fills its dipper from the farthest point and loads the dumper.
19:04Then it takes the second pass nearest to the dump truck and the final load is scooped up from the middle point.
19:12Working this way reduces swing time.
19:15This loading method is considered best for restricted areas, but the rope shovel has to wait for the arrival of another dump truck.
19:22This is why, in vast open-pit mines, miners prefer the double backup loading method.
19:29After loading the first dump truck, the electric rope shovel fills another on the opposite side.
19:34A dozer can be deployed to clean up on one side while loading continues on the other side.
19:40Trucks can be positioned to load during their waiting period, reducing shovel loading delays.
19:47However, it is not always possible to place two dump trucks as required.
19:51And, because the rope shovel's operator cabin is on one side, the operator has to rely on a camera system to fill the dumper standing on the opposite side.
20:01This increases the probability of an accident.
20:04So, in the drive-by loading, the rope shovel's tracks are aligned parallel to the wall.
20:10This method is widely adopted at coal mines.
20:13The rope shovel has to rotate 180 degrees to load the dump truck.
20:18This results in long swing angles.
20:20The modified form of the drive-by loading method involves positioning the dump truck while loading to reduce the swung time.
20:28To do this, greater truck driver skills are required, as there is a risk of an accident by swinging the shovel's boom bucket with a dumper,
20:36because the shovel starts loading while the dumper is in motion.
20:40However, expert handling is not enough to meet the cost-effectiveness of rope shovels.
20:47Technology plays a crucial role in making rope shovel operations more efficient and profitable.
20:53For instance, a typical rope shovel uses approximately eight megawatts of power, provided by multiple generators via electric cables.
21:02Harnessing such a tremendous amount of electrical energy is impossible without an effective power management system.
21:09At mining sites, they deploy electrical networks, especially for electric rope shovels.
21:15This adds the additional task of installing and removing the electric cable during blast times and the working time of the rope shovel.
21:24Moreover, in double backup loading, a tower or pole system is placed so the dump truck can go across without damaging the electric cable.
21:34In addition to that, mine owners cannot afford electricity disruption, which may cause accidents if not just unexpected downtime.
21:42Moreover, the more the number of generators are used, the more maintenance and fuel cost is required.
21:49All that and the increasing demand for more cost-effective solutions led to a 44% decline in Caterpillar's earnings.
21:57The company answered these issues with its power demand management system for CAT 7945.
22:05Instead of an eight megawatt grid power, the CAT rope shovel was run on two megawatts CAT GENSETs.
22:14These GENSETs can be towed to the working area during operating time and moved to a safe place by the electric rope shovel they run.
22:23Most importantly, this power management system includes ultra-capacitors that are installed on the roof of the rope shovel.
22:31These devices retrieve energy, created during swing deceleration and bucket lowering.
22:37The rope shovel uses the retrieved energy during periods of high demand, which also helps generators gradually ramp up, ensuring reliable and cost-effective performance.
22:51However, using electricity for rope shovels was not always the case.
22:55The very first generation of rope shovels was powered by a steam engine.
23:00In this regard, an American manufacturing company, Bucyrus Erie, became famous.
23:06In fact, their steam engine rope shovels were used to dig out the Panama Canal in 1904.
23:12Originally, the project was given to the French in 1881, but they faced failures and ended up losing it.
23:20Knowing the strategic importance of the Panama Canal, Americans took great interest in constructing it.
23:26Torrential rains, scorching heat and epidemic disease welcomed Americans to dig out 51 miles from the land of Panama.
23:35Bucyrus Erie relocated its manufacturing facility to South Milwaukee.
23:40All the steam engine rope shovels for the Panama Canal were built there.
23:44In total, 77 steam-powered rope shovels were built, and the largest of them was a 95-ton rope shovel capable of scooping up 8 tons in just one dig cycle.
23:56The company built a total of 32 95-ton rope shovels, along with 20 70-ton and 10 45-ton rope shovels.
24:05At that time, rail lines were the most reliable and efficient solution for transport.
24:10Miles of railway lines were laid to transport the equipment, as well as the dugout material from the working area.
24:17The rope shovels had to fill the cargo train in little time, because every minute and a half another rail had to arrive.
24:24Day and night, these engineering marvels kept working, and the day came after 10 years when the last spoilage was dug out in 1913 by the Bucyrus 222 and 230.
24:39Perhaps the most historical moment in this project was the visit of the American president, Theodore Roosevelt, who likely could not resist going inside a Bucyrus rope shovel.
24:50In 1963, Bucyrus made another mark on history by building the world's second largest rope shovel, the Big Brutus.
24:59It took $6.5 million and almost a year to build this titan that stands as tall as a 16-story building.
25:07This Big Brutus is now a museum, where tourists come to witness its remarkable engineering.
25:14The company that made many marks in history had to be sold to Caterpillar in 2010.
25:20With that, Caterpillar rebranded the Bucyrus rope shovels with their classic yellow color.
25:26The original name of this rope shovel was Bucyrus 945.
25:31Now, it is known as Cat 7945.
25:35Caterpillar, as a leading mining manufacturing company, did not just rebrand the Bucyrus products.
25:41They developed ingenious technologies to meet the mining conditions.
25:45Out of the many challenges, mining equipment faces a harsh environment.
25:50The temperature could range from freezing minus 44 centigrade to scorching 55 Celsius, depending on the geolocation of the mining site and the environmental season there.
26:01Climate change has made this challenge more severe for the manufacturer.
26:05Thanks to the proven AC IGBT electric drive system, the Cat 7945 can keep working whether it is minus 40 or extremely hot at 50 degrees.
26:17The IGBT stands for Insulated Gate Bipolar Transistor.
26:22This transistor technology is designed to control the speed of AC drives.
26:27They also react faster than fuses and eliminate potential points of failure.
26:32Many mines in the world are in the desert.
26:35The abrasive nature of the sand causes damage to the shovel's tracks, increasing its wear and tear and reducing efficiency.
26:43High temperatures in deserts also affect the metal and other materials used in the tracks, possibly leading to thermal expansion and more stress on the components.
26:53For the desert, Caterpillar introduced a new model of rope shovel, the Cat 7495HF.
27:02It has a high-flotation undercarriage designed specifically for desert environments.
27:07The undercarriage features thermal stress-relieved crawlers and structures to eliminate residual stress, ensuring long-term reliability.
27:15Moreover, the Cat 7495HF uses a dual-motor independent drive system for the track's propulsion.
27:22This allows for precise control and movement of the shovel, which is critical for the accurate positioning of the machine during mining operations.
27:31The design includes upward slanted propel motor shelves to protect against debris and an elevated drive tumbler to shield the planetary drive from ground impact shocks.
27:43All contributing to the machine's robust performance and longevity in demanding environments.
27:48To ensure the safety of the machine as well as the operator, the Cat 7495 is packed with a lot of safety features.
27:55The rope shovel welcomes the operator with easy-access boarding stairs located at the right rear of the machine.
28:02Then the operator walks on the non-slip walkways.
28:05Handrail mounts reinforce the structure and offer safe access to the cab.
28:10The cab is designed to be as ergonomic as possible for the operator.
28:15It offers an unobstructed view out of the left and right-hand windows with anti-glare windshields.
28:22Also, a floor window allows the operator to keep an eye on the machine tracks.
28:27There are five cameras optimally positioned around the shovel so that the operator can watch blind spots on five 10-inch displays mounted just above the windshield in the cab.
28:37These cameras can endure shocks and vibrations as well as severe temperatures.
28:42They have SLR glass to optimize pictures in sunlight and low light.
28:47During an emergency event, the operator can de-energize the motion control system using the emergency stop button.
28:55Instead of one, the operator's cab has two exit doors and the door at the rear leads straight to the unobstructed stretcher.
29:04Besides, a pull-down ladder is on the left side for emergencies.
29:11Caterpillar has designed heavy-duty brakes for a particular hoist application.
29:16They feature advanced organic friction material that not only eliminates the burnishing requirements, but also reduces the occurrence of variation in brake torque.
29:26Without being damaged, these brakes can stop a fully loaded dipper in full motion.
29:33This helps in minimizing the risk of an uncontrolled dipper drop.
29:37Moreover, the CAT 7945 has a separate cabinet for high voltage located at the rear.
29:44This cabinet can only be accessed when the power is disconnected.
29:48In case any unauthorized attempt is made to access the cabinet, it gets automatically disconnected from the main power.
29:56Likewise, the rope shovel has a motor-controlled cabinet on the left side.
30:01It offers independent circuit control and isolation for the main component of the machine.
30:07To build the rope shovel, every component is brought to the assembly site with the utmost care and placed at strategic locations to make the installation process easy.
30:20The assembly team starts with the undercarriage.
30:24The crawler frame is jacked up to place track rollers underneath it.
30:28Next, two cranes lift the swig rag to mount it with the undercarriage.
30:33It contains rolling devices that offer smooth machine rotation.
30:37Then, the team installs two heavy-duty electric drives at the front end of the undercarriage.
30:43These electric drives roll the track rollers.
30:46After building the undercarriage, the process of machinery room assembly begins.
30:52This part of the shovel houses almost every crucial component of the machine, including various electric cabinets, safety devices, motors and gear systems that run the shovel.
31:04Special attention is given to the electronic control unit.
31:07Assembling every part one by one meticulously by skilled engineers takes weeks.
31:12Subsequently, the upper carriage is closed with a roof.
31:15The roof comprises various mounted components, including the cap.
31:20Likewise, the front part of the rope shovel is assembled, which includes the boom, the pulley system and the A-frame.
31:34With the installation of its 65 foot long and 13,000 ton boom, the structure starts taking the shape of a rope shovel.
31:41To erect the boom and support it, they mount the A-frame on the roof of the machine.
31:46Lastly, the dipper and its gate system are assembled.
31:50After mounting the dipper, they combine the dipper stick and the hydraulic crowd system.
31:56Each and every piece is tested before commissioning the rope shovel.
32:02Ferreros is one of Caterpillar's dealers, headquartered in Lima, Peru.
32:06They have built more than 20 such rope shovels there and so far no accident has been recorded.
32:12For this project specifically, the Ferreros professional team dedicated an average of more than 32,000 work hours to each assembly.
32:21The CAT 79-45 is the largest machine in Peru and it is not just a machine, but a relentless pursuit of technological progress.
32:31Its steel arms have moved mountains of treasure and may continue restlessly in the future.
32:37The rope shovel has an inspiring history, a useful present and a bright future.
32:43It is truly an engineering marvel on which everyone involved must take pride.
32:50Such marvels have shaped our history and they continuously shape our future.
32:55We take pride in featuring these handcrafted machines and educating you as much as possible.
33:01the ground like the other.
33:05It was a crucial asset to us.
33:06It's a real time for us to keep that by appreciating this.
33:11If you want to think about it, it's a key part.
33:13It's a tool that we can actually make the idea of.
33:15It's just a real time to note, the way it's time for the final side of this project.
33:17we?
33:19Hope you have enjoyed this video make sure to like share and subscribe.
33:25thanks for watching and we will see you next time.
33:29you
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