| 2705.00.00 | 00 | Coal gas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons | thousand m3 kg | Free | | Free |
| 2711 | | Petroleum gases and other gaseous hydrocarbons: | | | | |
| 2804 | | Hydrogen, rare gases and other nonmetals: | | | | |
| 2804.21.00 | 00 | Rare gases: | | | | |
| 2853.00.00 | | Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals | | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 8419.60 | | Machinery for liquefying air or other gases: | | | | |
| 8421 | | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof: | | | | |
| 8421.31.00 | 00 | Filtering or purifying machinery and apparatus for gases: | | | | |
| 9026 | | Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and apparatus of heading 9014, 9015, 9028 or 9032; parts and accessories thereof: | | | | |
| 9813.00.45 | | Containers for compressed gases, filled or empty, and containers or other articles in use for covering or holding merchandise (including personal or household effects) during transportation and suitable for reuse for that purpose | | Free, under bond, as prescribed in U.S. note 1 to this subchapter | Free (AU,BH,CA, CL,IL,JO,MA, MX,P,SG) | Free, under bond, as prescribed in U.S. note 1 to this subchapter |
