Detailed Classification of Input-Output Sectors (continued) Industries Included 17. Concrete and Glass Products 18. Metal Products 19. Machinery 20. Electrical and Electronic Equipment 21. Transportation Equipment 22. Instruments 23. Miscellaneous Manufacturing Transportation and Utilities 24. Transportation and Warehousing 25. Communications 26. Electric and Gas Utilities Stone and Clay Products Glass Products Primary Iron and Steel Manufacturing Primary Nonferrous Manufacturing Heating, Plumbing and Structural Metal Products Screw Machine Products and Metal Stampings Other Metal Products Ordnance Engines, Turbines and Farm Machinery Construction and Mining Machinery Materials Handling Equipment Metalworking and Special Industrial Machinery General Industrial and Machine Shop Equipment' Office Machines Service Industry Machinery Electronic Transmission and Distri- bution Equipment Household Appliances Electric Lighting and Wiring Radio, TV and Components Miscellaneous Electronic Equipment Motor Vehicles Aircraft Other Transportation Equipment Professional, Scientific and Control- ling Instruments Optical and Photographic Equipment Miscellaneous Manufacturing Transportation and Warehousing Radio, TV, etc. Electric and Gas Utilities 27. Water and Sewer Private Water Services Sector -- Private Water Services 27. Water and Sewer