Crossword Puzzle

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Across
  1. 1. used to close the end of a pipe.
  2. 3. a fitting with a movable part that opens or closes one or more passages and thereby allows a liquid flow to be started, stopped, and regulated.
  3. 4. connects four pipes.
  4. 5. Polyvinyl Chloride
  5. 6. used to change direction of a pipeline either 90 degrees or 45 degrees.
  6. 9. used to close systems and to connect pipes that are to be disassembled occasionally.
  7. 10. used to join adjacent lengths of pipes and to provide changes of direction, and branch connections at any angle and to effect a change in size.
  8. 12. connects three pipes.
  9. 13. short pieces of pipes threaded on both ends.
Down
  1. 1. used to connect straight section pipes.
  2. 2. used to connect straight section pipes of different sizes.
  3. 4. pipes that are used in hot water installation.
  4. 7. used to reduce the size of an opening
  5. 8. used for water line distribution system.
  6. 11. used to close an opening in a fitting.