Crowfoot connections on air hoses shall be wired or otherwise secured to prevent accidental disconnection. Compressed air shall not be used to dust off hands, face or clothing.
Although instantaneous exchange of mind is lonely and accidental in the pressing and thin air, it is a vehicle of ultimate of life. English, just a pretext of being.
在急迫的稀薄空气中瞬间的心灵交流虽然孤寂偶然，也承载了生命的终极意义。英语，其实只是存在的借口。
3
Neither oil spillage nor air inclusion during connection and disconnection, is suitable for the harsh environment of high dust, with double security locks to prevent accidental disconnection.