machinist

If you want to be a draftsman, a machinist, a molder, or a patternmaker, you'll need algebra and geometry and even trigonometry.

如果想成为手人、缝纫、造型或制模，需要代数和几何，甚至三角学。

The machinists only pay lip service to the safety regulations and one day soon there is going to be a nasty accident.

机械师们对安全条只是口头上表示遵守,总有一天要出大事故的。