Scaffolding

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Across
  1. 2. maximum intended load
  2. 4. used by window washers
  3. 5. made of steel and designed with standards
  4. 7. any temporary elevated work platform
  5. 9. scaffolding easily built
  6. 11. only a few frames high
Down
  1. 1. weight of materials, people, and tools
  2. 3. works with clamps
  3. 6. masonry scaffolding for brick and block
  4. 8. works with tubes
  5. 10. strong and heavier than most scaffolding