The term blue-collar is typically used to describe workers in manual labor jobs. However, there are several synonyms or similar terms to describe these workers, including manual labor, working-class, unskilled labor, hands-on, and industrial. Manual labor refers to jobs that require physical labor and often involve machinery or tools. Working-class refers to people who earn a living through manual labor jobs and who typically have less education and lower incomes. Unskilled labor refers to jobs that require minimal training or education, such as jobs in manufacturing, construction, and maintenance. Hands-on refers to jobs that require physical work and the use of tools or equipment. Industrial refers to jobs in the manufacturing or production industry.