3 sentences for 作业 (zuò​yè — operation)

1. 矿区每天下午都会进行爆破作业。

   kuàng​qū měi tiān xià​wǔ dōu huì jìn​xíng bào​pò zuò​yè.

   Blasting operations are carried out every afternoon in the mining area.

   Source: Dong Chinese Dictionary

2. 货车正在二号车位进行卸货作业。

   huò​chē zhèng​zài èr hào chē​wèi jìn​xíng xiè​huò zuò​yè.

   The truck is unloading at parking bay number two.

   Source: Dong Chinese Dictionary

3. 建筑工人在高空进行作业时必须戴安全帽。

   jiàn​zhù​gōng​rén zài gāo​kōng jìn​xíng zuò​yè shí bì​xū dài ān​quán​mào.

   Construction workers must wear safety helmets when working at heights.

   Source: Dong Chinese Dictionary