Bridges of Dublin. Tower Bridge (1894) London, England. âTower Bridge is a combined bascule and suspension bridge over the River Thames in London and takes its name from the nearby Tower of London. Frequently mistaken for London Bridge, the next bridge upstream, it has become an iconic symbol of the city and a very popular tourist attraction.
Antihypotensive agent. An antihypotensive agent, also known as a vasopressor agent or pressor, is any medication that tends to raise reduced blood pressure.
In semiconductor testing, contactor can also refer to the specialized socket that connects the device under test. In process industries a contactor is a vessel where two streams interact, for example, air and liquid. See Gas-liquid contactor. A contactor is an electrically controlled switch used for switching an electrical power circuit. A contactor is typically controlled by a circuit which has a much lower power level than the switched circuit, such as a 24-volt coil electromagnet controlling a 230-volt motor switch. Contactors come in many forms with varying capacities and features. Unlike a circuit breaker, a contactor is not intended to interrupt a short circuit current. Contactors range from those having a breaking current of s