00:00Is hands-on construction a thing of the past? Meet Walter, the bricklaying robot.
00:05He's already being tried on construction sites, and there are many of him.
00:09We've got now 30 robots, but we are ordering another 100.
00:12The future is going to be in robots because it's fast, it's safe, no scaffolding,
00:19and all the bricklayers love it.
00:22And it takes five days to train somebody to operate the robot.
00:27It takes three years to teach a bricklayer.
00:30Construction companies insist robots like Walter aren't replacing workers.
00:35They're boosting productivity by taking on the most repetitive and physically demanding tasks.
00:41Walter still needs people.
00:42The site has to be prepared for him, with a base layer of bricks laid and materials carefully set out.
00:48Trained workers monitor the process throughout.
00:51Once running, Walter works faster and more precisely than human bricklayers,
00:55if the conditions are right for robots.
00:58The robot uses specially designed bricks with grooves for gripping,
01:02and can build using glue instead of mortar or cement.
01:05Six percent of CO2 comes out of manufacturing cement and using cement on a building site.
01:12Robots are already drilling, lifting, and painting on construction sites.
01:17But construction remains unpredictable.
01:19No two sites are the same, and for now, humans are still essential to adapt when conditions change.
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