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2. Self-service laundry - Wikipedia

   en.wikipedia.org/wiki/Self-service_laundry

   The invention of the coin-operated laundry machine is ascribed to Harry Greenwald of New York who created Greenwald Industries in 1957; the company marketed the devices through the 20th century. [18] [19] [20] While coin laundromats are very common, some laundromats accept credit cards or provide their own card system.

3. Coinstar - Wikipedia

   en.wikipedia.org/wiki/Coinstar

   Coinstar, LLC (formerly Outerwall, Inc.) is an American company operating coin-cashing machines.. Coinstar's focus is the conversion of loose change into paper currency, donations, and gift cards via coin counter kiosks which deduct a fee for conversion of coins to banknotes; it processes $2.7 billion worth of coins annually as of 2019. [2]

4. Vending machine - Wikipedia

   en.wikipedia.org/wiki/Vending_machine

   A snack food vending machine made in 1952 Gashapon vending machines Newspaper vending machines in Munich, Germany An automobile parking ticket machine in the Czech Republic. A vending machine is an automated machine that dispenses items such as snacks, beverages, cigarettes, and lottery tickets to consumers after cash, a credit card, or other forms of payment are inserted into the machine or ...

5. Compressed air dryer - Wikipedia

   en.wikipedia.org/wiki/Compressed_air_dryer

   Refrigerated dryers employ two heat exchangers, one for air-to-air and one for air-to-refrigeration. However, there is also a single TRISAB heat exchanger that combines both functions. The compressors used in this type of dryer are usually of the hermetic type and the most common gas used is R-134a and R-410a for smaller air dryers up to 100 ...

6. Hand dryer - Wikipedia

   en.wikipedia.org/wiki/Hand_dryer

   The jet-air dryer, which blows air out of the unit at claimed speeds of 180 m/s (650 km/h; 400 mph), was capable of blowing micro-organisms from the hands and the unit and potentially contaminating other users and the environment up to 2 metres away. Use of a warm-air hand dryer spread micro-organisms up to 0.25 metres from the dryer.