Equipment Operation  Valves /  [video recording] : 
ITC Learning 
 -  Geneva :  ITC,  1983. 
 - 1 digital video disc 2504D (DVD : 20min):  digital ;  12cm.+  2 guide book, xiii, 28p. :ill.; 22cm.[include 2504 student work book and 2504 instructor guide books]. 
<br/><br/> Library internal view only. 
<br/><br/><br/>Disc compatible with computer DVD drive and DVD player. 
<br/><br/><label>ISBN: </label>MED0000622(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valves<br/>Piping