Gas welding :  intermediate / 
authored and edited by 3G Elearning. 
 - vi, 316 p. :  col. ill. ;  30 cm. + 1 CD. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789351158516 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oxyacetylene welding and cutting.<br/>Oxy-fuel welding.<br/>Gas welding.