Plug welding with an arc?

- Slot welds are typically used in lap joints where the fillet weld length is limited Plug Welds:

Overview of plug and slot welds, their uses, symbology and application

slot machine numbers Slot or Plug Welding Symbol Diagram of Plug or Slot Welding Symbol indicating angle of countersink, pitch, size and depth Plug & Slot Welds

slot game online for mobile malaysia 0: 2001 states a plug weld is and a slot weld is