plasma cutting

1234567891011
Across
  1. 2. removing metal in a joint
  2. 4. used in welding and cutting
  3. 5. ceramic nozzle
  4. 7. distance from nozzle to tip
  5. 9. alternating current
  6. 10. gas with positive and negative ion
  7. 11. metal solidified on the cup bottom
Down
  1. 1. arc between electrode tip and torch
  2. 3. where heat hits the metal
  3. 6. heated gas
  4. 8. direct current