supply of design, manufacture, supply and commissioning of air leakage test bench along with hydraulic lifting table for air spring as per annexure a.design, manufacture, supply and commissioning of air leakage test bench along with hydraulic lifting table for air spring as per annexure a.,design, manufacture, supply and commissioning of air leakage test bench along with hydra ulic lifting table for air spring as per annexure a. the firm will use his own labour and tools/plants what so e ver is required for execution of work. participant should have certificate of such type of work done in railwa ys. [ warranty period: 30 months after the date of delivery ] ]