Pumps being machines, namely, [screw pumps, single stage screw pumps, self priming pumps, submersible pumps,] electronic variable speed pumps,[ surface pumps; electric motors for pumps for machines;] centrifugal pumps;[ multi-stage screw pumps being machines; booster pumps being machines; engines for pumps, not for land vehicles; ]central heating circulation pumps[; valves being machine parts, pressure valves being machine parts; pressurization apparatus, namely, booster pumps and structural ...

pumps, namely, rotating and centrifugal and axial pumps