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Type: Multiple-Choice
Category: Welding and Metal Fabrication
Level: Grade 9
Score: 1
Author: DougE
Last Modified: 4 years ago

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Welding and Metal Fabrication Question

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Grade 9 Welding and Metal Fabrication

Heating steels to signify above malleable state and holding the temperature there for several minutes and then still air cooled is called:
  1. Preheating
  2. Annealing
  3. Normalizing
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