TIG Welding

123456789101112131415
Across
  1. 4. Current used to weld aluminium
  2. 7. Used to measure the rate of shielding gas
  3. 8. Protects the hands from the effects of the welding arc
  4. 9. Usually polarity for DC welding
  5. 10. Used to remove fumes from the welding zone
  6. 13. Radioactive TIG electrode type
  7. 14. Unit of measurement of noise
  8. 15. PA welding position
Down
  1. 1. Added to argon shielding to increase heat input
  2. 2. Reduces gas cylinder pressure
  3. 3. Low magnification testing method
  4. 5. Electrical device to reduce voltages
  5. 6. Electrical safety device
  6. 11. General purpose TIG electrode
  7. 12. Small gas pores within the weld