School Workers

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Across
  1. 6. short
  2. 7. a long, sturdy piece of squared timber or metal spanning an opening or part of a building
  3. 9. an upright support
  4. 10. a unit used to measure a physical quantity
  5. 12. Russian
  6. 14. raw materials that are produced from natural sources
  7. 17. a person who guides you through the designs
  8. 18. conduits, or tubes, that form part of a ventilation system
  9. 19. a person who designs or builds mills
  10. 20. a leader of a work crew
  11. 21. a continious way of exit travel from any point in a building
Down
  1. 1. a person who lays ceramic on the floor
  2. 2. person responsible for installing modifying and inspecting sprinkler systems
  3. 3. a person who builds, repairs, and installs wooden cabinets
  4. 4. heavy rough building material from a mixture of broken stone or gravel
  5. 5. process of filling in the excavated area around a foundation
  6. 7. part of a process of submitting a proposal for a construction project
  7. 8. a sealant used to fill gaps or seams in pipe joints
  8. 11. support that strengthens floors and ceilings in a house
  9. 13. a people who install, service, and maintain solar thermal and photovoltaic power
  10. 15. a person whose job is to put new roofs on buildings
  11. 16. person who plans, designs and supervises the construction