The educational level for these different jobs may vary. Waiters and waitresses are not required to have any educational background. Neither are hotel housekeepers and assistants. For each of these occupations however special training can be obtained. Individuals interested in the service occupations should realize that employers may not require a high-school, college, or special vocational education. In many service occupations competition for the top position is intense and an educational background is important in these advancement opportunities. The anticipated increase in employment will enable service occupations to expand rapidly, some more than others.
The factors affecting the anticipated rise in employment service occupations are the increasing population, mobility of the population, the urbanization patterns that continue to grow, and the greater emphasis on the accessibility to medical and health services. It is expected that the number of service jobs that might decline will be far fewer than those increasing because of the demands for new and replacement workers.
A blue-collar worker is a member of the working class who typically performs manual labor and earns an hourly wage. Blue-collar workers are distinguished from those in the service sector and from white-collar workers, whose jobs are not considered manual labor. Blue-collar work may be skilled or unskilled, and may involve manufacturing, mining, building and construction trades, mechanical work, maintenance, repair and operations maintenance or technical installations. The white-collar worker, by contrast, performs non-manual labor often in an office; and the service industry worker performs labor involving customer interaction, entertainment, retail and outside sales, and the like.
Industrial and manual workers wear durable clothing that can be dirty, soiled, or scrapped at work. A popular element of such clothes has been, and still is, a light or navy blue work shirt. Blue is also a popular color for coveralls, and will frequently include a name tag of the company/establishment on one side, and the individual's name on the other. Often these items are bought by the company and laundered by the establishment as well.
The popularity of the color blue among manual laborers is in contrast to the ubiquitous white dress shirt that is standard attire in office environments. Color-coding has been used to identify a difference in socio-economic class. This distinction is becoming more blurred, however, with the increasing importance of skilled labor, and the growth of non-laboring, but low-paying, service sector jobs. "Blue-collar" may also be used as an adjective to describe the environment of the blue-collar worker: a "blue-collar" neighborhood, job, restaurant, bar; or any situation describing the use of manual effort and the strength required doing so.
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