Boyce, Robert Plumbing : a practical guide for level 2. Robert Boyce - Cheltenham ,UK: Nelson Thornes, 2005. - vi,356p.: Includes index. ISBN: 9780748792757 Subjects--Topical Terms: Plumbing. Plumbing Plumbing -- Examinations, questions, etc LC Class. No.: TH 6124 / .B69