Chains, Ropes, and Slings Test II
Source: Questions and answers from the National Safety Council


Progress Indicator:
Question 5 of 22

5.  Do not allow oil, grease or other foreign materials to come in contact with cylinder, cylinder valve or cylinder pressure regulator to prevent __________.

Choices:
  1. rust
  2. possible ignition
  3. contamination
  4. explosion


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