| 序號 | 筆劃 | 中文 | 日文 | 英文 |
|---|---|---|---|---|
| 21 | 2-21 | 人行道托架 | 歩道ブラケット | footway cantilever bracket (A) sidewalk cantilever bracket |
| 22 | 2-22 | 人行地下道 | 地下横断歩道 | pedestrain subway; pedestrain tunnel; underground predestrain passageway; foot subway; foot tunnel; pedestrain underpass |
| 23 | 2-23 | 人造輕骨材 | 人工骨材 | atrificial lightweight aggregate |
| 24 | 2-24 | 人字齒輪 | やまば歯車 | double helical gear |
| 25 | 2-25 | 人工島 | 築島 | artificial island; sand island |
| 26 | 2-26 | 人工港 | 人工港 | artificial harbour; man made harbour (A) artificial harbor |
| 27 | 2-27 | 人工湖 | 人工湖 | artificial lake |
| 28 | 2-28 | 人工運河 | 人工水路;運河 | artificial navigation canal; artificial navigable waterway; barge canal; inland canal |
| 29 | 2-29 | 人造石 | 人造石 | artificial stone; cast stone |
| 30 | 2-30 | 人口密度 | 人口密度 | density of population; population density |
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