Ground floor employees include production line workers, maintenance staff, and quality control managers.

包括生产线工人、维修工和质量检查人员。

" Most people were less formally dressed than Pepsi Co's maintenance staff, " he noted.

“大多数人都穿着随意，甚至没有百事公司的维护人员正式。”他说道。

Maintenance staff at the observatory had been concerned about the problem for years.

天文台的维护人员多年来一直担心这个问题。