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I have owned and used my Miller 240 amp Heliarc since 1970.... a pre WW2 model which came with a water cooled TIG torch which would weld 1 inch aluminum...never having seen one inch aluminum I immediately switched to argon gas cooled torch.. of course on a farm oxy acet is absolutely necessary.... and I have a Lincoln Weldanpower portable.. and just for fun I also have a plasma cutter....
I find my local welding shop has the softest leather gauntlet gloves....
I find some things are advertized to sell product.... and often following the basic rules works best... therefor I would not use zinc spray until after the welding was finished... if I used it... cotton shirts will allow sparks to burn you... I have a leather welding apron which has sleeves.... long enough to fit into the gauntlets of the gloves...
but you are correct that SEEING when upside down under a car is very hard.. when arc or tig welding...
but that might be a reason to oxy acet weld something... like they do the tail pipes... you can just use regular welding eye goggles in that case....
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