Pipefitting  trainee guide 
[National Center for Construction Education and Research]. 
 - 3rd.ed. 
 - Upper Saddle River, New Jersey  Pearson/ Prentice Hall  2007 
 - Various pages  ill.  28cm. 
<br/><br/><label>ISBN: </label>9780132272841 
<br/><br/><label>Subjects--Topical Terms: </label><br/>pipefitting