... machining, repair, rescue, fire-fighting, scrap metal recycling and so on.Model No.Cutting thicknessGY303-40mmGY10040-100mmGY300100-300mmcutting nozzles ... ) Economical cutting: much cheaper than acetylene cutting torch system, more than 80% saving on cutting fuel cost4) ... available everywhere, easy to handle and move, stack cutting, no need to pump the gasoline tank. Search and rescue system(GY30C)