- 00:28, 26 February 2009 diff hist +36 AY Honor Welding Answer Key used by General Conference →2. Explain the safe working pressures of oxygen and acetylene, as per your instructor&
- 00:25, 26 February 2009 diff hist -3,136 AY Honor Welding Answer Key used by General Conference →7. Explain the safety precautions and safety equipment normally used in electric welding in relation to eyes, hands, and exposed skin areas. Why should the tank valves never be oiled?
- 00:21, 26 February 2009 diff hist -4,395 AY Honor Welding Answer Key used by General Conference →2. Explain the safe working pressures of oxygen and acetylene, as per your instructor&
- 00:19, 26 February 2009 diff hist -4,645 AY Honor Welding Answer Key used by General Conference →b. Oxygen and acetylene gauges and their differences
- 00:18, 26 February 2009 diff hist -5,552 AY Honor Welding Answer Key used by General Conference →c. Oxygen and acetylene hoses and their differences
- 00:17, 26 February 2009 diff hist -5,789 AY Honor Welding Answer Key used by General Conference →c. Oxygen and acetylene hoses and their differences
- 00:16, 26 February 2009 diff hist -6,136 AY Honor Welding Answer Key used by General Conference →d. Oxygen and acetylene tanks and their differences
- 00:12, 26 February 2009 diff hist -7,102 AY Honor Welding Answer Key used by General Conference →2. Explain the safe working pressures of oxygen and acetylene, as per your instructor&
- 00:09, 26 February 2009 diff hist -7,666 AY Honor Welding Answer Key used by General Conference →a. Welding and cutting torches
