shī / gōng / rén / yuán / xiān / jiǎn / chá / hāng / jù / shì / fǒu / zhèng / cháng / zài / kāi / shǐ / zuò / yè

施工人员先检查夯具是否正常，再开始作业。

The construction crew checked that the rammer was working properly before starting.