thyristor two face spot welding it allows spot welding 2 faces with a pneumatic clamp,welding monopoint 1 face with a gun thyristor two face spot welding PLR-7it allows spot welding 2 faces with a pneumatic clamp,welding monopoint 1 face with a gun for small repairs,hammered,patchwork and nails poses,pins,discs,rivets,moreover,in" plused" position,the quantity of spot is reinforced and adapted to ...