1. Maybe weights to hold down tarps or other types of covers.
  2. Counterweights for stage scenery.
  3. No, but parts of your answer are very warm.
  4. counterweights for a dumb waiter
  5. nope
  6. counterweights for windows in old houses.
  7. not counterweights
  8. ok, if part of red's post was on target, but they arent counter weights, are they weights to hold down stage props or curtains?
  9. ...and maybe used in a series lined up in a track?
  10. nope

    and nope

    I said part of his post was very warm. I didn't say which part.