The Design, Manufacture At Works, Testing, Quality Assurance, Training Of Eskom Personnel, Delivery To Eskom Sites Or Warehouses, Off-Loading And If Required, Erection, Commissioning, Decommissioning And Disposal Of Vented Semi-Sealed Nickel Cadmium Cells, Its Accessories And Ancillary Equipment On An "As And When Require" Basis For A Period Of Five (5) Years