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


Progress Indicator:
Question 3 of 22

3.  Questions regarding CMDPSU pumps affected by radio frequency interference should be directed to the _________.

Choices:
  1. MSHA District Manager
  2. state mine inspector
  3. Zefon International
  4. lamp house


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