手しゅ動どうによる

expression, noun-modifying (irregular)

manual; manually powered

Used as a prenominal modifier to describe devices or operations that are powered or performed by hand, not by electricity or automation.

• 手しゅ動どうによるドリルは電でん動どうのものより静しずかだ。

  A manually powered drill is quieter than an electric one.

• この装そう置ちは手しゅ動どうによる操そう作さが必ひつ要ようです。

  This device requires manual operation.