| 333310 |
Manufacturing radio and television broadcast equipment--are classified in Industry 334220, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing |
| 333310 |
Manufacturing electron and proton microscopes--are classified in U.S. Industry 334516, Analytical Laboratory Instrument Manufacturing |
| 333310 |
Manufacturing time clocks and time stamps--are classified in U.S. Industry 334519, Other Measuring and Controlling Device Manufacturing |
| 333310 |
Manufacturing sensitized film, paper, cloth, and plates, toners, and prepared photographic chemicals--are classified in U.S. Industry 325992, Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing |
| 333310 |
Manufacturing pencil sharpeners and staplers--are classified in Industry 339940, Office Supplies (except Paper) Manufacturing |
| 333310 |
Manufacturing coin- or card-operated arcade games--are classified in U.S. Industry 339999, All Other Miscellaneous Manufacturing |
| 333310 |
Manufacturing mechanics' handtools--are classified in U.S. Industry 332216, Saw Blade and Handtool Manufacturing |
| 333310 |
Manufacturing ophthalmic focus lenses--are classified in U.S. Industry 339115, Ophthalmic Goods Manufacturing |
| 333310 |
Manufacturing molded plastics lens blanks--are classified in U.S. Industry 326199, All Other Plastics Product Manufacturing |
| 333310 |
Manufacturing molded glass lens blanks--are classified in U.S. Industry 327212, Other Pressed and Blown Glass and Glassware Manufacturing. |