Excavation

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Across
  1. 2. any time you disturb soil
  2. 3. Machine used to push material and grade
  3. 7. Machine used to excavate material
  4. 9. fill made up of broken rock
  5. 10. Contain information useful for identifying a chemicals hazards
  6. 12. Person responsible for your safety
  7. 13. Entity responsible for worker safety in quarries and mines
Down
  1. 1. Item of clothing that impairs peripheral vision and hearing on a job site
  2. 4. Entity responsible for worker safety
  3. 5. Machine used for lifting only and requires a special license
  4. 6. Used to measure changes in elevation on a work site
  5. 8. Organic material suitable for growing grass
  6. 11. Deeper than it is wide