Blue-collar worker is a term that has been used to refer to individuals working in manual labor jobs. However, several synonyms can also be used to describe this category of workers. These synonyms include skilled laborers, tradespeople, mechanics, welders, machinists, production workers, and technicians. These terms have a broader definition, and some may require specific technical skills or certification to qualify as a holder of the job. Skilled workers and tradespeople, for instance, often have apprenticeships or technical training to prepare them for their jobs. These synonyms show that blue-collar jobs are diverse and cut across various industries, including manufacturing, construction, and transportation.