Environment, health and safety

Which is the correct combination for the '3Rs', a philosophy for reducing waste?

  1. ARepair, Reform, Return
  2. BReset, Reload, Restart
  3. CReduce, Reuse, Recycle
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Answer: C. Reduce, Reuse, Recycle

The 3Rs are Reduce (generating less waste), Reuse (using things repeatedly) and Recycle (recovering materials as resources). Semiconductor fabs also reduce chemical and gas usage, reuse wafers and FOUPs, and recycle waste liquids.

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