Hand dryers are considered by many to be cost efficient on long term. Businesses might spend a lot of money on installing the dryers, but in time the cost investment diminishes. More than that, hand dryers are easy to use and they do not require maintenance. Compared to paper towels, where it is needed for someone to clean and supply the paper towels at all time, hand dryers do not need any refills. The positive image of people towards businesses using hand dryers has increased, as people regard them as being green. Companies who care about the environment should have these modern and efficient devices installed. There are several types of hand dryers, among which the manual hand dryer, the automatic hand dryer and the Blow jet dryer, which is also the latest advancement. The manual hand dryer is the oldest type and it is activated at a press of a button. The automatic hand dryer activates itself automatically when someone places their hands below the machine.
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