Plumbing : intermediate / 3G E-learning LCC. - Second edition. - New York, New York : 3G E-learning LCC, c2018. - vii, 356 pages : illustrations ; 30 cm. + 1 DVD Includes bibliographical references and index. ISBN: 9781680949308 (Pbk.) Subjects--Topical Terms: Plumbing. LC Class. No.: TH6123 / .T47 2018