Waiters and waitresses serve food in restaurants and other dining establishments.
Water treatment plant operators help make water safe to drink. They remove pollutants from wastewater so it may be safely returned to the environment.
Welders, cutters, solderers and brazers use heat to permanently join metal pieces.
Woodworking machine operators cut and shape raw wood to make products. They use such machines as power saws, lathes, planers, routers and sanders.
Writers and authors originate and prepare such written material as scripts, stories and advertisements.
