| 7209.18.25 | 10 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 7211.23.60 | 75 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 7225.50.80 | 15 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 8486.40.00 | 10 | For the manufacture or repair of masks and reticles | No. | | | |
| 9020.00 | | Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof: | | | | |
| 9020.00.60 | 00 | Other breathing appliances and gas masks | X | 2.5% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 9031.41.00 | | For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices | | Free | | 50% |
| 9031.41.00 | 20 | For inspecting photomasks or reticles used in manufacturing semiconductor devices | No. | | | |
| 9031.49.70 | 00 | For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices | No. | Free | | 50% |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
