Purple collar refers to a mix between white collar and blue collar. Jobs in this category can combine manual labour and administrative duties. These professionals have usually pursued higher education in a specific field that requires the regular use of heavy machinery. An example of these employees is professionals who specialise in technology, like engineers and technicians.


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Purple-Collar Worker - some people say that it is a term describing someone who sells marijuana for a living. but that's not true as it is the skilled workers or consultants who blend entrepreneurial business savvy with a practical, technical ability doing both tasks for white and blue-collar example is information technology workers, engineers, and technicians. 


Types of Collar Workers! (updated)
https://www.linkedin.com/pulse/whats-types-collar-workers-hassan-choughari/