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A typical "portable" dehumidifier can be moved about on built-in casters. A dehumidifier is an air conditioning device which reduces and maintains the level of humidity in the air. [1] This is done usually for health or thermal comfort reasons or to eliminate musty odor and to prevent the growth of mildew by extracting water from the air. It ...
A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...
The first stand-alone electric toaster, the Eclipse, was made in 1893 by Crompton & Company of Chelmsford, Essex. Its bare wires toasted bread on one side at a time. [12] [13] The problem of the heating element was solved in 1905 by a young engineer named Albert Marsh, who designed an alloy of nickel and chromium, which came to be known as ...
Un-balanced fans wobble and vibrate. For home AC fans, this can be a major problem: air circulation is greatly reduced at the vents (as wobble is lost energy), efficiency is compromised, and noise is increased. Another major problem in fans that are not balanced is longevity of the bearings (attached to the fan and shaft) is compromised.
Handheld Brise fan from 1800. A handheld fan, or simply hand fan, is a broad, flat surface that is waved back-and-forth to create an airflow. Generally, purpose-made handheld fans are folding fans, which are shaped like a sector of a circle and made of a thin material (such as paper or feathers) mounted on slats which revolve around a pivot so that it can be closed when not in use.
In other countries, ceiling fans usually come with a warning to install the fan so that the blades are 2.3 meters above the floor or higher, as instructed by the IEC and similar bodies. This rule applies to all "high level fans" [23] including but not limited to ceiling fans.
A laptop stand is a device that elevates the laptop to a comfortable viewing height, promoting better posture and ergonomics. A laptop cooler, on the other hand, is designed to dissipate heat and prevent overheating by providing additional airflow to the laptop's cooling system.
Stand and Deliver is a 1988 American biographical comedy-drama film directed by Ramón Menéndez, written by Menéndez and Tom Musca, based on the true story of a high school mathematics teacher, Jaime Escalante. For portraying Escalante, Edward James Olmos was nominated for the Academy Award for Best Actor at the 61st Academy Awards. [3]
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