I have a gmaw in all position, for d1.1 fcaw t71 for all position( dualshield) I have fcaw 3g for d1.5 bridge, smaw 3g bridge, SAW for bridge. when you get certified for d1.5 you can not do any grinding on your test plate. d1.1 you can. I can tig all position on mild, stainless and aluminum too.