For many, a barrel of oil is almost synonymous with its most prominent product, gasoline. While almost 40% of a barrel of oil is used to produce gasoline, the rest is used to produce a host of products including jet fuel and plastics and many industrial chemicals.f that, more than 70% is consumed by the U.S. transportation sector, according to the Energy Information Agencies Annual Energy Review. Reducing dependence on oil requires developing technologies to replace gasoline, diesel, jet fuel and heavy distillates, and produce a range of bio-based chemicals and products.
The British Dental Association, formed in 1880 with Sir John Tomes as president, played a major role in prosecuting dentists practising illegally. Dentists in the United Kingdom are now regulated by the General Dental Council.
Dentists supervise two types of support staff. The first are dental assistants who perform clerical tasks and help dentists with patients. The second are hygienists who can perform many of the tasks that dental assistants do, but can also work independently, such as by cleaning patients' teeth. Salaries differ by job titles. Assistants