Plug welding with an arc?

GMAW 11 - Spot Plug and Spot Welding plug slot weld Slot or Plug Welding Symbol Diagram of Plug or Slot Welding Symbol indicating angle of countersink, pitch, size and depth Plug & Slot Welds plug and slot weld arc spot welds, arc seam welds, fillet welds, flare groove welds, and plug welds There are many different welding processes used today, but for the scope of

plug weld and slot weld Plug and Slot Welds Holes or slots in the arrow side member of a joint for plug or slot welding shall be indicated by placing the weld symbol on the side