BLOCKWORD
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Blockword
Test your general knowledge of various plumbing aspects.
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ACROSS
4. Waste water traps typically prevent this.
5. PCV is a ________________ control valve.
8. The tool used to take various measurements.
9. An organised group of people or companies who have the same interests.
10. The type of committee set up by institutions such as the SABS to determine standards.
DOWN
1. This is what has become very common with rainwater.
2. CoC is a certificate of ________________.
3. The term when you apply CO 2 or another type of refrigerant to create a small ice block in a pipe.
6. Pipe __________ in terms of flow rates is important.
7. Ozone and chlorine are typically part of this process used in treating water.
* Go to page 80 for the answers. PA
www.plumbingafrica.co.za
August 2017 Volume 23 I Number 6