Ladder crossword

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Across
  1. 2. A professional who frequently uses this tool.
  2. 3. A primary concern when using this tool.
  3. 5. A trade that requires reaching high structures.
  4. 6. A type of store where you can buy one.
  5. 8. A portable device with flat treads for climbing.
  6. 10. A common lightweight metal used for making them.
Down
  1. 1. A common industry where these are essential.
  2. 4. A design feature for easy storage.
  3. 7. A type that can be adjusted in length.
  4. 9. A horizontal bar used as a step.