Building services crossword 2 sept '22

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Across
  1. 2. It is a type of shower
  2. 4. installed to measure the flow of water
  3. 7. first step of water purification
  4. 10. waste water from Water Closet.
  5. 13. trap type based on shape.
  6. 15. used for maintenance-drainage system
  7. 16. used to stop water supply in pipe
Down
  1. 1. containing one plumbing fixtures.
  2. 3. don't carry any water-drainage system
  3. 5. waterdistributed-highvelocity &pressure
  4. 6. better than single pipe plumbingsystem.
  5. 8. type of water closet
  6. 9. type of water reservoir on terrace
  7. 11. its is type of bathtub
  8. 12. single non mechanical operating faucet
  9. 14. connects pipes-health faucet&handshower