Blue Collar and white collar workers?

White collar workers do work which can be done while wearing a shirt with a white collar without it getting dirty; e.g.: office workers and salespeople Blue collar workers usually wear blue overalls...

White-collar worker is a salaried professional or an educated worker who performs semiprofessional office, administrative, and sales coordination tasks as an opposed to a blue-collar worker,whose job...

white collar-----> blue collar is labor work

Blue collar

White collar.