17 Rubber and rubber composite lining, namely, rubber metal, rubber ceramic, rubber poly urethane, rubber ultra high molecular weight polyethelyne, for autogenous mills, semi-autogenous mills, ball mills, rod mills, mixing drums, washery drums, log washers,debarking drums and tube mills for 1, 2 and 3 chambers, all for use in the mining, material handling, mineral processing and quarrying industries; rubber liners and rubber composite lining, namely,rubber metal, rubber ceramic, rubber poly urethane, rubber ultra high molecular weight polyethelyne for bunkers, hoppers, bins, chutes, pump parts and flotation cell parts; rubber slurry handling hoses; rubber lined non-metal pipes for slurry transportation