bulk loading safety officer
A certified role under Japanese industrial safety regulations, responsible for overseeing safe bulk loading operations (e.g., tank trucks, silos).
The bulk loading safety officer supervises the loading work into tank trucks.
At this factory, an employee qualified as a bulk loading safety officer is always on site.
Compound of はい (bulk loading, from 入れる 'to put in') + 作業 (work, operation) + 主任者 (person in charge). The exact derivation of はい is uncertain; it may be a specialized industrial term.