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Rotring (stylized rOtring) is a manufacturer of technical drawing tools and writing implements. Established in Germany in 1928 as a fountain pen manufacturer, Rotring went on to be acquired by Newell Brands in 1998. [3] [1] The name "Rotring" directly translates to "red ring", which refers to the company's signature: a red band placed around ...
Electric fan heater. A fan heater, also called a blow heater, is a heater that works by using a fan to pass air over a heat source (e.g. a heating element). [1] This heats up the air, which then leaves the heater, warming up the surrounding room. They can heat an enclosed space such as a room faster than a heater without a fan, [2] but like any ...
An internal fan-cooled electric motor (colloquially, fan-cooled motor) is a self cooling electric motor.Fan cooled motors feature an axial fan attached to the rotor of the motor (usually on the opposite end as the output shaft) that spins with the motor, providing increased airflow to the motor's internal and external parts which aids in cooling.
The crankcase heater keeps refrigerant at a temperature higher than the coldest part of the system. A crankcase heater generally has the same electrical symbol as a resistor because it converts electricity directly into heat via electrical resistance. The resistance in the heater coil determines the heat it produces when voltage is applied. [1]
An oil heater, also known as an oil-filled heater, oil-filled radiator, or column heater, is a common form of convection heater used in domestic heating. Although filled with oil , it is electrically heated and does not involve burning any oil fuel ; the oil is used as a heat reservoir (buffer).
Rotary valve for a double horn. In the context of brass instruments, rotary valves are found on horns, trumpets, trombones, flugelhorns, and tubas.The cornet derived from the posthorn, by applying rotary valves to it in the 1820s in France. [3]
Lava Hot Springs in Idaho has a flow of 130 liters/second. Glenwood Springs in Colorado has a flow of 143 liters/second. Elizabeth Springs in western Queensland, Australia might have had a flow of 158 liters/second in the late 19th century, but now has a flow of about 5 liters/second. Deildartunguhver in Iceland has a flow of 180 liters/second.
The Cadillac Gage LAV-600, also known as the V-600, [2] is an American light armored 6×6 wheeled vehicle, derived from the LAV-300. Developed by Cadillac Gage as a private venture project, [ 1 ] the LAV-600 offers superior firepower and mobility to the LAV-300, normally being equipped with a 105mm main gun.