3G handy guide :  plumbing / 
Authored and edited by 3G E-Learning LLC. 
 - x, 241 pages :  color illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plumbing.
<br/><br/><label>LC Class. No.: </label>TH 6124  / T47 2019