A jet propane torch can be assembled with a few fittings and parts borrowed from a welder and gas grill. Setting up your own metal foundry starts with a propane torch. Using gas fittings and a few ...
PITTSBURGH, April 9, 2021 /PRNewswire/ -- "We wanted to create an easier way for welders to use a propane cylinder and absorb all the gas in the torch," said one of three inventors, from Northridge, ...
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