Lift and escalator mechanic- sector : power generation, transmission, distribution, eiring and electrical equipment- trade theory- 2nd semester( 2 years) 

 - Chennai:  National Instructional Media Institute,  2016. 
 - 349p.;  29 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Escalators<br/>Machine engineering
<br/><br/><label>Dewey Class. No.: </label>621.8676  / LIF