 |
| |||
| headgear | |||
| Cromwell helmet | |||
| brain bucket | |||
| skull protector | |||
| intrinsically safe barrier (MWD 仪器房配用); iron hat; safety hat | |||
| protection helmet | |||
| tin-hat; hard hat (钻工); safety (helmet) | |||
| safety cap; protective helmet | |||
| safety helmet | |||
| helmet | |||
| crash helmet; hardhat; headache; head gear; helmet shield; pee pot (俚语); protected cap; protecting cap; protective cap; skull guard | |||
| hard hat; safety helmet | |||
| |||
| hard hat | |||
| |||
| safety cap | |||
| |||
| hard hat | |||
| |||
| hardhat | |||
| |||
| helmet | |||
| |||
| tin hat | |||
| 安全帽: 16 phrases in 9 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Drilling | 1 |
| Fashion | 2 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Sports | 1 |
| Technology | 7 |