Material clerk: it is the management of incoming materials, including storage consumption and inventory management;

Constructor: the person who leads the workers in construction on site;

Quality inspector: on-site quality supervision, quality inspection of main processes and finished products;

Safety officer: safety risk identification and project payment notification, hidden danger investigation, safety training, etc.

Mechanic: as the name implies, the management of construction machinery and equipment;

Documentary: that is, the collection, sorting and filing of inner pages;

Testers: raw materials for construction cannot be used after entering the site, and can only be used after being tested and determined to meet the requirements of the specification. This is the job of the tester;

Now there seems to be another worker: a person used by the construction unit to communicate with the workers and convey their spirit.