Plumbing

Published by the New Zealand Technical Correspondence Institute, 1978, 372 pages.

A textbook for apprentices and others in the plumbing industry.

The text is supported by over 500 illustrations and gives a detailed treatment of trade science, tools, materials, methods, and plumbing systems. Two supplements deal with plastics, gas and gasfitting, safety, sanitary plumbing, heating, and ventilating.