bids are invited for custom bid for services - calibration of balancing machine calibration services selection of laboratories for testing of products/material hiring of tea/coffee vending machine full service and maintenance contracts of photocopier machine management and supply of atm hiring of earth moving equipments, material handling equipments and cranes (per hour basis) operation and maintenance of other machines and plants operation and maintenance of electrical systems/electrical installations hiring, operation and management of atm -per transaction based repair, maintenance, and installation of plant/systems/equipments (version 2) hiring of special purpose mining or earth moving machines (monthly basis) total quantity :