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30,000 (2015) [4] Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints. [1] It typically results in warm, swollen, and painful joints. [1] Pain and stiffness often worsen following rest. [1] Most commonly, the wrist and hands are involved, with the same joints typically involved on both sides of the body. [1]
Osteoarthritis (OA) is a type of degenerative joint disease that results from breakdown of joint cartilage and underlying bone. [5][6] It is believed to be the fourth leading cause of disability in the world, affecting 1 in 7 adults in the United States alone. [7] The most common symptoms are joint pain and stiffness. [1]
A chain pump is a type of water pump that uses a chain to move water from one place to another. It works on the principle of a continuous loop of chain moving through a series of sprockets, with attached buckets that lift water as the chain passes over the top sprocket and discharge it as the chain reaches the bottom. [12]
The India Mark II is a human-powered pump designed to lift water from a depth of 50–80 m. [1] The Mark II is world's most widely used water handpump. [2] The pump was designed in the 1970s to serve village water needs in developing countries and rural areas. The pump is installed on top of a drilled well or borehole and lifts water from the ...
Beverage openers are useful for opening every day beverage containers for those who have limited hand strength as it eliminates the need for strong twisting or pulling motions. Plastic bottles may become stuck due to a high volume of carbonation released during shipping or overtightening. Some do not have fingernails with which to properly use ...
Using the pump in 1964. The Schiller Woods magic water pump is a public water pump at Schiller Woods Forest Preserve in Chicago, Illinois. Its water is believed by many local residents to have magical properties, improving health and vigor. [1][2] Some believe that the pump's water extends the life of anyone who drinks from it regularly ...
Squeeze bottle. A squeeze bottle is a type of container such as a plastic bottle for dispensing a fluid, that is powered by squeezing the container by exerting pressure with the user's hand. Its fundamental characteristic is that manual pressure applied to a resilient hollow body is harnessed to compress fluid within it and thereby expel the ...
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 ...
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