本实用新型公开了一种防护用的安全帽，它包含帽壳、帽衬；
The utility model relates to a safety cap for protection, comprising a cap casing and a cap lining.
当不需面部防护时，只需将面罩推至安全帽的帽壳上，或者取下，应用十分简单方便。
When the face protection is not required, the face mask can be pushed on a helmet casing or taken off. The application is simple and convenient.
我们拿一根长长的钉子，用钉子帽儿用力一勾，就把猪蹄儿壳勾了下来。
We take a long nails, nail cap with a hook, the Trotters son shell hook down.
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