--------- is used as dry lubricant

Options :
  1. diamond
  2. coke
  3. charcoal
  4. graphite
Answer and Explanation :-

Answer: Option 4

Explanation:

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To love is to lose to live is to die. Yet the stream never ceases motion, nor the wind upon the auburn leaves of autumn, nor the tide upon the crags of the north shore. The dunes move far too fast to breathe, and the sun falls below the horizon far too fast to see. Yet perhaps time itself may yet cease, if only for a moment.
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