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In a spray bottle, the dispensing is powered by the user's efforts, as opposed to the spray can, in which the user simply actuates a valve and product is dispensed under pressure. Several designs have been developed. [1] [2] [3] Some of the pumping mechanisms of spray bottles are similar to those of pump dispensers which are used for more ...
Water dispenser. A water dispenser, sometimes referred to as a water cooler (if used for cooling only), is a machine that dispenses and often also cools or heats up water with a refrigeration unit. It is commonly located near the restroom due to closer access to plumbing. A drain line is also provided from the water cooler into the sewer system.
Simplified animation of how a water rocket works. 1) A bubble of compressed air is added and pressurizes the contents of the bottle. 2) The bottle is released from the pump. 3) The water is pushed out through the nozzle by the compressed air. 4) The bottle moves away from the water because it follows Newton's Third Law.
Pump dispenser. A pump dispenser is used on containers of liquids to help dispensing. They might be used on bottles, jars, or tubes. Often the contents are viscous liquids such as creams and lotions. [1] Some are metered to provide uniform usage. Some mix contents from two or more sources prior to dispensing.
A foam pump, or squeeze foamer and dispensing device is a non- aerosol way of dispensing liquid materials. [1] The foam pump outputs the liquid in the form of foam and it is operated by squeezing. The parts of the foam pump, mostly made from polypropylene (PP), are similar to those of other pump devices. The foaming pump often comes with a ...
An infusion pump infuses fluids, medication or nutrients into a patient's circulatory system. It is generally used intravenously, although subcutaneous, arterial and epidural infusions are occasionally used. Infusion pumps can administer fluids in ways that would be impractically expensive or unreliable if performed manually by nursing staff.
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