The four basic kinds of tastes are: sweet, salty, sour and bitter. The salty/sweet taste buds are located near the front of the tongue; the sour taste buds line the sides of â¦ the tongue; and the bitter taste buds are found at the very back of the tongue.
When vehicles run into problems, auto mechanics are usually hired to fix them. In the past, the profession was available to those with mechanical aptitude and a willingness to learn on the job. But because modern machines are more complex, employers now require more advanced educational requirements for mechanics.
Diesel Mechanics. Diesel mechanics work on vehicles that require diesel fuel, which includes buses, trucks, railroad locomotives and some automobiles. As with all other mechanics, diesel technicians use computer technology to diagnose problems and to test repairs. Although many learn their trade on the job, most employers prefer those with postsecondary training in diesel engine repair. This course of study can last six months to two years.