Gem Bids For Comp. Mntc Of Various Ems, Supplying And Installation Ofeu2 Washable Coarse Filter, Supplying And Installation Ofsynthetic Woven Washable Eu3 Filters, Servicing Of 9 Or 10tr Capacity Package Ac Units, Servicing Of 5 Or 7.5 Trcapacity Ductable Ac Units, Servicing Of 1.5 And2 Trcapacity Window Ac, Measurement Testing Of Earthresistance, Painting One Or More Coats On Old Work, Replacement S.i.t. C Of 36 Watt Led Surface Mountedbatten Light, Replacement S.i.t. C Of 36 Watt Led Panel Light2x2 Ft