In fact, a huge number of adults are hopping on the braces bandwagon to get the grin they've always wanted. When I started practicing in the '90s, I was lucky if 1% of my clients were adults, says Sunil Wadhwa, DDS, PhD, director of orthodontics at the Columbia University College of Dental Medicine.
An aspect of fiscal policy. In economics, a duty is a kind of tax levied by a state. It is often associated with customs, in which context they are also known as tariffs or dues. The term is often used to describe a tax on certain items purchased abroad. Properly, a duty differs from a tax in being levied on specific commodities, financial transactions, estates, etc. rather than on individuals. Duties may be import duties, excise duties, stamp duties, death or succession duties, etc.; but not such direct impositions as per
In navies, a tour of duty is a period of time spent performing operational duties at sea, including combat, performing patrol or fleet duties, or assigned to service in a foreign country; a tour of duty is part of a rotation, where the ship may spend a six-month tour of duty, then spend one month in home port for maintenance, then a period of time ...