Semiprecion and precision  [videorecording] / 
Coastal Skills Training 
 - Virginia Beach,Va.:  Coastal Training Technologies Corp.  1987 
 - 1 videodisc (14 min.) :  sd.,col.;  12 cm. 
<br/><br/><label>ISBN: </label>MED0000586(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Safety<br/>Machine-shop practice<br/>Machine-tools