handling worker's productivity

例句：

1. 1. The company is handling a major project in the city.
   该公司正在处理一个在城市的重要项目。
2. 2.The manager is handling the customer complaints.
   经理正在处理顾客的投诉。
3. 3. The engineer is handling the construction site.
   工程师正在处理建筑现场。