精せい密みつ工こう具ぐ

noun

precision tool

A tool designed for high-accuracy work, such as in machining, watchmaking, or electronics.

• 時計とけい職しょく人にんは精せい密みつ工こう具ぐを使つかって小ちいさな部ぶ品ひんを組くみ立たてる。

  Watchmakers use precision tools to assemble tiny parts.