3680 Foundry Machinery, Related Equipment and Supplies 10 12.61 3693 Industrial Assembly Machine 0.45 3694 Clean Work Stations, Controlled Environment and Related Equipment 6.43 3695 Misc. Special Industry Equipment 4 7.58 3910 Conveyors 12 6.85 3920 Materials Handling Equipment Nonself Propelled 22 9.07