7 [ pumps, namely, drainage and waste water pumps, sewage lifting pumps, sludge pumps, pressure boosting pumps, circulating pumps, chemical pumps, water pumps, hot water/heat transfer liquid pumps, submersible borehole pumps, power station pumps, boiler feed and circulating pumps, cooling water pumps, condensate pumps, pumps used in nuclear power stations, namely, main coolant pumps, secondary circuit pumps, pumps for seawater desalinization systems, pumps used in the oil industry, namely, injection pumps, pipeline pumps, refinery pumps, irrigation pumps, swimming pool pumps, slurry pumps, pumps for carrying abrasive materials, pumps for handling contaminated materials, sprinkler pumps, high pressure pumps, pumps for handling pharmaceuticals, and pumps used in heating and air conditioning systems; machine parts, namely, metal pipe fittings as parts of pumps ]