Chemical engineers working on the shop floor (plant operations / production line operations) could be considered to be blue collar. Those involved in R&D, Design, Training or Academics would probably fall into the white collar category.
White-collar workers.
The president would be considered a white collar worker.
white collar-----> blue collar is labor work
Blue collar workers are laborers, especially factory workers. White collar workers are those who usually work in an office. The title of blue collar comes from the type of uniform that many laborers wear. The title of white collar comes from the type of linen shirt that is typically worn with a suit.
workers who have a blue collar aka blue collar workers
Blue Collar and White Collar
Generally, a white collar job is advantageous compared to a blue collar one because the blue collar job involves manual work, which is hard and time consuming, whereas in white collar jobs people are usually doing mental work since they are (in theory) more knowledgeable. Another advantage is that blue collar workers are often paid hourly and with lower wages, whereas white collar workers are often salaried and higher paid. There are more chances that blue collar workers are harrased or abused by white collar workers. On the other hand, white collar workers often have huge responsibilities on them.
White collar workers,bluecollar wokers,service workers,farm workers
They could stop working when the boss went home.
Mark McColloch has written: 'White collar workers intransition' -- subject(s): History, White collar workers
White collar workers were more likely to be longer term employees with seniority and accrued benefits vs. hourly/labor employees receiving no such vacation from the union hall.
Receptionist, manager, and accountant are White-Collar workers