In recent years, the market for blue-collected zero-work services, represented by home, construction, freight, etc., has flourished, and the thriving economy has given new impetus to the development of the blue-collar sector. What are blue-collar and blue-collected workers? The Blue Counsellor (Blue-collar worker) corresponds to “White” and is a Western-circulated definition of work patterns, which refers to the majority of staff working in offices with low physical and technological levels. ...