7 Centrifugal slurry pumps, slurry valves for pumps, cone crushers, jaw crushers, slurry spools for pumps, pump screens, all being parts of machines, all for industrial and commercial applications; wear parts and components being part of machines, namely, engines, pump casings, impellers, and wear plates for pumps, valves, crushers, spools, cyclones, screens, centrifuge baskets, agitators, throat bushes, liners, thickeners, high pressure grinding roll and machinery used in the minerals, construction, and oil and gas industries