| 2710.12 | 142 | *?1? Normal paraffins (containing not less than 95% by weight of saturated straight chain hydrocarbon) | 
| 2710.19 | 142 | *?1? Normal paraffins (containing not less than 95% by weight of saturated straight chain hydrocarbon) | 
| 2710.20 | 142 | *?1? Normal paraffins (containing not less than 95% by weight of saturated straight chain hydrocarbon) | 
| 29.37 |  | Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones. | 
| 7113.19 | 021 | - Chains for watches, spectacles or pince-nez and other ornamental chains worn on person | 
| 73.15 |  | Chain and parts thereof, of iron or steel | 
| 73.15 |  | Articulated link chain and parts thereof | 
| 7315.11 | 000 | Roller chain | 
| 7315.12 | 000 | Other chain | 
| 7315.20 | 000 | Skid chain | 
| 7315.20 |  | Other chain | 
| 7419.10 | 000 | Chain and parts thereof | 
| 8202.40 | 000 | Chain saw blades | 
| 8467.81 | 000 | Chain saws | 
| 8467.91 | 000 | Of chain saws | 
| 8483.40 |  | Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements presented separately; ball or roller screws; gear boxes and other speed changers, including torque converters | 
| 8483.90 |  | Toothed wheels, chain sprockets and other transmission elements presented separately; parts | 
| 9607.11 | 000 | Fitted with chain scoops of base metal |