を省く

save; spare; omit

→ を
phrase Rare #29,150
save; spare; omit With time, effort, labor, or trouble, it means to save or spare them. With features, steps, or other elements, it means to omit or eliminate them. The exact form を省く is the dictionary form and is typically preceded by a noun marked with を.
JA: これは主婦の手間を省く便利な器具です。
EN: This is a useful device that saves homemakers time and effort.

機械は多くの人手を省く

Machines save a lot of manpower.

着陸システムを省くんだ

We're going to omit the landing system.

— オデッセイ (2015)

これは主婦手間を省く便利な器具です

This is a convenient appliance that saves housewives time and effort.

このロボットは多くの人手を省く

This robot saves a lot of manual labor.