USCM Standard Portable Welder
"The portable welder is a small, handheld cutting and welding torch
assigned to Marines with the Basic Tech skill. It consists of a small tank
of a compressed hydrocarbon fuel contained within the handgrip, an electric
pilot light, an adjustable nozzle and a screen of darkened transparent
plastic fixed over the nozzle to protect the user's eyes. The tank holds
enough fuel for ten minutes of use"