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12 questions from this quiz
Fusion joining process
Same material as the base metal
Prevent flames travelling back to bottles
Pure acetylene under pressure would explode
3300°C3300°C3300°C
Mild steel
Deliberate excess supply of oxygen
Acetylene feather from inner cone
Aluminium or stainless steel
Blue
Left-hand threads
Welding goggles with filter lenses
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