weld

Mr Knight said the pair had been kept in a cage that had been welded shut for more than 10 years.

Walker used a plasma cutter to slice apart a statue of prominent Confederate Gen. Stonewall Jackson, which she welded back together in an entirely new form.

He also realizes that because these joints are essentially exposed—hidden only by sheetrock walls—they can be strengthened by welding metal plates onto them.

Humans have gone from doing all the grinding, welding, machine-operating and parts-moving to overseeing and collaborating with robots who take on the bulk of the tasks.

There, yellow robotic arms lurch down from the ceiling, grabbing parts, welding and attaching doors.