... , water bed, truck tarpaulin, outdoor tent FEATUREARC SUPPRESSORWhen sparks occur, the special electronic circuit on this machine works automatically and cuts ... welding time considerably to raise the machine productivity.APPLICATION RANGETARPAULINS, rain canvas, umbrella, sand beach bag, big airing toy, water bed, truck tarpaulin ... L) ×1150(W) ×1800(H)packagePLYwood case, 3.5CBM canvas welding machine