White collar workers are meeting at office.
Blue collar workers at machine shop.
Tailor checking collar on customer's shirt
Blue collar worker is working at warehouse.
Blue collar workers are working at warehouse.
Blue collar worker is working at warehouse.
White collar workers are meeting at office.
Blue collar workers are working at warehouse.
Blue collar workers are working at warehouse.
Blue collar worker is working at warehouse.
Blue collar workers are working at warehouse.
Blue collar worker is working at warehouse.
Blue collar workers at machine shop.
White collar workers are meeting at office.
White collar worker is meeting at office.
White collar workers are meeting at office.
white collar worker with son at office
Blue collar workers are building house.
Blue collar worker is working at warehouse.
A dog with a tag on its collar in a forest.
White collar worker is meeting at office.
Blue collar workers are working at warehouse.
Blue collar workers are working at warehouse.
Blue collar workers are working at warehouse.
Blue collar workers are building house.
White collar workers are meeting at office.
Blue collar workers are working at warehouse.
Blue collar workers are working at warehouse.
Woman bites the collar of a t-shirt
White collar workers are meeting at office.
