| 7101 | | Pearls, natural or cultured, whether or not worked or graded but not strung, mounted or set; pearls, natural or cultured, temporarily strung for convenience of transport: | | | | |
| 7101.10 | | Natural pearls: | | | | |
| 7105 | | Dust and powder of natural or synthetic precious or semi- precious stones: | | | | |
| 7105.10.00 | 11 | Natural: | | | | |
| 7116 | | Articles of natural or cultured pearls, precious or semi- precious stones (natural, synthetic or reconstructed): | | | | |
| 7116.10 | | Of natural or cultured pearls: | | | | |
| 7116.10.10 | 00 | Natural | X | 3.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 80% |
| 7116.20 | | Of precious or semiprecious stones (natural, synthetic or reconstructed): | | | | |
| 8407.90.90 | 10 | Gas (natural or LP) engines | No. | | | |
| 8430.49.40 | 00 | Offshore oil and natural gas drilling and production platforms | kg | Free | | 45% |
| 8431.43.40 | 00 | Of offshore oil and natural gas drilling and productions platforms | X | Free | | 45% |
| 8547.10.40 | 00 | Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines | No. | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 60% |
| 9602.00 | | Worked vegetable or mineral carving material and articles of these materials; molded or carved articles of wax, of stearin, of natural gums or natural resins, of modeling pastes, and other molded or carved articles, not elsewhere specified or included; worked, unhardened gelatin (except gelatin of heading 3503) and articles of unhardened gelatin: | | | | |
| 9603.40.40 | 40 | Natural bristle brushes | No. | | | |
| 9801.00.65 | | Rendition of geophysical or contracting services in connection with the exploration for, or the extraction or development of, natural resources Articles previously exported from the United States which￠/except for U.S. note 1 of this subchapter杦ould qualify for free entry under one of the foregoing items and are not otherwise free of duty: | | Free | | Free |
| 9817.29.02 | | Methanol (Methyl alcohol) produced from natural gas aboard a vessel on the high seas or in foreign waters | | Free | | 46% |
