7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
decomposable metal articles, namely, balls, seats, plugs, packers and darts for use in oil, gas, condensate and water wells, well bores and boreholes; sleeves, sliding sleeves, valves, balls, seats and setting tools comprising decomposable metal for positioning or actuating downhole tools, or for controlling pressure or fluids in oil, gas, condensate and water wells, well bores and boreholes; packers, bridge plugs, fracturing plugs, balls, fracturing balls, darts, sleeves, sliding sleeves, and valves comprising decomposable metal for controlling pressure or fluid in oil, gas, condensate and water wells, well bores and boreholes; pipes, pipework and tubes of metal and metal products, namely, metal liners, mandrels, whipstocks and casings for use in oil, gas, condensate and water wells, well bores and boreholes; slips and anchors comprising decomposable metal for securing various downhole tools in oil, gas, condensate and water wells, well bores and boreholes; and parts, fittings and accessories for the aforesaid good