Four Technocrats <br/><br/>
36 Tech Topics 

 - Hyderabad  Lasya Educational And Welfare Society  2019 
 - p.335 
<br/><br/><label>Subjects--Topical Terms: </label> Transformers Repairing  Selection Of Pumps  Electrical Safety At Home  Earthing Practice 
<br/><br/><label>Dewey Class. No.: </label>629.225 F72T