You certain? Because I just watched the welding parts again, and I couldn't see any sign of goggles. But even if he did have goggles on, they would be for gas welding, and wouldn't be anywhere near adequate for arc welding.
Saw a lot of these in Vietnam and Thailand. They normally used a fan to heat up the fire. Charcoal fueled. Used outside, or under cover, never in the house. A little charcoal goes a long way in one of these.
"It ain't what you're told, it's what you know." - Granny Weatherwax
Fawkahwe tribal police SWAT Team
Some days, the supply of available curse words is insufficient to meet my demands.
.....Call me a craftsman, artisan, or artistic, and I will accept that. Call me an artist and you will likely get a quite rude comment in return. I am not a @#$%ing artist.