BLOCKWORD

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Test your knowledge on plumbing and business in general.

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ACROSS 1. A pliable substance used to make watertight seals around taps, drains and so on, usually made from powdered clay and linseed oil.

3. A drain ____________ maintains neutral air pressure in the drain and allows free flow of water and sewage down drains and through waste pipes by gravity.

5. A fusible metal alloy used to create a permanent bond between metal pipes such as copper.

6. A component in a pipeline that decreases the pipe size from a larger to a smaller bore. 7. A section of pipe that has built-in ports, designed to distribute water. 8. A slender, flexible auger used to dislodge clogs in plumbing, also sometimes called a toilet jack. 9. A component that is sandwiched between a pipe fitting and a flange to provide an airtight joint.

DOWN 2. A device that automatically regulates temperature, or that activates a device when the temperature reaches a certain point. 4. A very short length of pipe or tube, with a socket at one or both ends, which allows two pipes or tubes to be joined. PA

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www. plumbingafrica. co. za November 2017 Volume 23 I Number 9