MDMA

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Across
  1. 3. I don't think I can get that moving.
  2. 4. I am part of the pulley system that allows machines weights to function.
  3. 5. I make your chest grow.
  4. 6. I am a single piece of metal that is generally gripped by one hand only.
  5. 7. I make you back bigger.
  6. 9. At my deepest point, you are said to be, in the hole.
Down
  1. 1. I am a single piece of metal that is gripped by both hands at one.
  2. 2. Push to the sky.
  3. 6. Stand up with me.
  4. 8. I am heavy. If you lift me, you will grow bigger and stronger.