conveyors and parts therefor; grit washing machines in sewage disposal plants; bar screens for screening water and sewage flumes; industrial pulverizers, grinders and crushers; industrial shredders for scrap such as wood, metal, rubber, plastic, concrete, glass, paper and waste; AC-TO-DC motors for machines and parts therefor; electric motors for machines and armatures and parts therefor; electric reels for electrical cables for conducting current to portable vehicles; and forged flanges

electric motor controllers for electric motors and parts therefor; level indicators adapted to respond to a selected depth of granular materials in a container, bin or receptacle