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A hair dryer, hairdryer, [1] hairdrier, [2] or blow dryer is an electromechanical device that blows ambient or hot air over damp hair to speed the evaporation of water to dry the hair. Blow dryers enable better control over the shape and style of hair, by accelerating and controlling the formation of temporary hydrogen bonds within each strand.
The electric motor marketed as the Dyson Digital Motor (DDM) is a direct current motor, operating on the switched reluctance principle. [1] These brushless motors rotate at up to 110,000 rpm. [2] The motor used a two-pole brushless rotor with a digital controller. Dyson said its efficiency was 84%, which was less than the 96% efficiency that is ...
The colors were achieved by adding pigments to the setting lotion. A permanent wave, commonly called a perm or permanent (sometimes called a "curly perm" to distinguish it from a "straight perm"), [1] is a hairstyle consisting of waves or curls set into the hair. The curls may last a number of months, hence the name.
History. GE Appliances was originally a part of General Electric, a company which began marketing a full roster of heating and cooking products in 1907. [7] In January 2004, it became part of GE Consumer & Industrial when GE Consumer Products (founded in 1905) merged with GE Industrial Systems (founded in 1930) to form GE Consumer & Industrial.
The first upright vacuum cleaner was invented in June 1908 in North Canton, Ohio by department store janitor and occasional inventor James Murray Spangler.Spangler was an asthmatic, and suspecting the carpet sweeper he was using at work was the cause of his ailment, he created a basic suction-sweeper by mounting an electric fan motor on a carpet sweeper and then adding a soap box and a broom ...
What reviewers say đź’¬. Over 1,000 Walmart shoppers thought so highly of this hair dryer, they gave it a five-star rating.. Pros đź‘Ť "Better than a Dyson," raved one fan. "The Dyson is so heavy ...
Hand dryers have been popular with industries for their apparent economies. According to manufacturers, hand dryers can cut costs by as much as 99.5% (for example a company may spend $2340.00 per year on paper towels, where as the hand dryer expenditure would be as low as $14.00 per year—this will vary according to the cost of paper towels and electricity).
ABC News conducted an undercover study of hotel rooms ranging in price from $98 to $500 and found that the hair dryer was way dirtier than they would have guessed. According Chuck Gerba, a ...