Without these tiny little parts the industry would not work at all, that is how vital their role is. Parts that are finished are used to complete structures and equipment in the mining industry. Boiler Makers / Welders may vary their works due to welding specialization, such as custom fabrication, pressure vessel welding, pipeline construction welding, structural construction welding or machinery and equipment repair welding, each have different approach in welding therefore requires different approach from the welder. http://promotion.blackhawk-mining.com/2013/01/02/duties-of-a-boiler-maker-and-welders/
