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Najmnour Najmnour
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6 years ago
To ensure correct operation, how often should the nozzle be replaced?
 
  A) every 6 months B) every year C) every 3 years D) every 18 months

 Q. 2

Nondestructive testing symbols may be:
 
  A) Arrow side B) Other side
  C) No side significance D) All of the above
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leah.kahler3leah.kahler3
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6 years ago
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Najmnour Author
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#2
6 years ago
Thank you for answering
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