Machinery and parts therefor; pumps, accessories and spare parts for pumps; throat bushes and liners of elastomer or metal, and parts and accessories thereof; suction covers; strainers; intake suction screens; pump seal assemblies including hydrodynamic and mechanical seal assemblies; components for use in pump seal assemblies; expellers; impellers; agitators; impeller blades or inducers; pedestals or bases for pumps; pump frames; pump casings being lined or unlined; pump bearing assemblies; vertical slurry pumps for use in sumps or pits; submersible pumps; columns and discharge elbows and pipes; pump mounting plates or beams