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The limit for elemental mercury vapor in workplaces is 0.05 mg/m 3 as recommended by OSHA, especially for workers working 40 hours in a week for 8 hours per day, and that for elemental mercury vapor in workplaces set by NIOSH is 0.05 mg/m 3 for a work shift of 10 hours.
In 1864, British dentist George Fellows Harrington invented a clockwork dental drill named Erado. [13] The device was much faster than earlier drills, but also very noisy. In 1868, American dentist George F. Green came up with a pneumatic dental drill powered by pedal-operated bellows. James B. Morrison devised a pedal-powered burr drill in 1871.
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
Dental treatments are carried out by a dental team, which often consists of a dentist and dental auxiliaries (such as dental assistants, dental hygienists, dental technicians, and dental therapists). Most dentists either work in private practices (primary care), dental hospitals, or (secondary care) institutions (prisons, armed forces bases, etc.).
Surveying more than 10,300 employees globally, Slack found that more than a third (37%) of employees said they work after hours at least once a week. Some claim to do so because they want to ...
A dentist, also known as a dental surgeon, is a health care professional who specializes in dentistry, the branch of medicine focused on the teeth, gums, and mouth. The dentist's supporting team aids in providing oral health services. The dental team includes dental assistants, dental hygienists, dental technicians, and sometimes dental therapists.
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Another important factor is the extent to which part-time work is widespread, which is less common in developing countries. In 2017, the Southeast Asian state of Cambodia had the longest average working hours worldwide among 66 countries studied. Here, the working time per worker was around 2,456 hours per year, which is just under 47 hours per ...