supply, testing , installation and commissioning of equipment and machineries of lift and escalator mechanic and solar technician ( electrical ) trade at iti, siliguri. , lift and escalator mechanic and solar technician trade , crimping tool , torque wrench , earth electrode , rooftop mounting structure , electrical wiring and switch gear rack , protective relays andcontactors rack , elcb and rccb , pyrheliometer , magnetic flux meter , temperature controlled soldering iron , iv curve tester , sun path finder , solar tracker demonstrator kit , solar pv e-learningsoftware using animations for training , array junction box , solar lantern ( cfl type ) , phase sequence indicator , inverter with battery , solar, wind and hybrid power plant , solar dc pump , demonstration kit for wind generation ( wind turbine with blower ) , working model of escalator