Plumbing Africa January 2019 | Page 64

62 BLOCKWORD Blockword Test your knowledge on business-related terms 1 2 3 4 5 6 7 ACROSS 2 A paste that is brushed on copper or brass pipe and fittings to remove oxides and other coatings for the metals before joining. 3 The process of dissolving a soluble component out of a constituent material at a wetted surface. 6 The action or occupation of acquiring equipment or supplies. 7 The decorative portion of a bathtub that covers the rough-in area of the tub. DOWN 1 The term used to describe wastewater from toilets, which likely contains pathogens. 2 The moveable part of a toilet flush valve that releases the water from the tank into the bowl when the toilet is flushed and seals the valve shut when the toilet is not being flushed. 4 A type of fitting installed on a plumbing fixture that mixes water with air. 5 This valve type is typically operated by a wheel handle and that handle lifts and lowers a metal disc or wedge, cutting off or opening the flow of water. Go to page 65 for the answers. January 2019 Volume 25 I Number 1 www.plumbingafrica.co.za