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buttssss buttssss
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6 years ago
Areas now included in welding include:
 
  A) Robotic welding B) Welding symbols C) Blueprint reading D) All of the above

 Q. 2

It is important to clean dross and carbon deposits from a cut surface before welding because they can _____.
 
  a. produce extremely hazardous fumes during welding
  b. form hard, brittle zones and porosity in the weld zone
  c. damage certain welding equipment components
  d. cause molten metal to be blown considerable distances
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mithaprillamithaprilla
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6 years ago
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buttssss Author
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#2
6 years ago
This is very helpful, my teacher this year is not good
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