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In 2010 about 250 plans participate in the program. [3] About 20 plans are nationwide or almost nationwide, such as the ones offered by some employee unions such as the National Association of Letter Carriers, by some employee associations such as GEHA, and by national insurance companies such as Aetna and the Blue Cross and Blue Shield Association on behalf of its member companies.
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In 1982, Blue Shield merged with The Blue Cross Association to form the Blue Cross and Blue Shield Association (BCBS). [11] Prior to 1986, organizations administering BCBS were tax exempt under 501(c)(4) as social welfare plans. The Tax Reform Act of 1986 revoked the exemption, however, because the plans sold commercial-type insurance.
Fluorinated ethylene propylene was invented by DuPont and is sold under the brandname Teflon FEP. Other brandnames are Neoflon FEP from Daikin or Dyneon FEP from Dyneon/3M. FEP is very similar in composition to the fluoropolymers PTFE (polytetrafluoroethylene) and PFA (perfluoroalkoxy polymer resin). FEP and PFA both share PTFE's useful ...
Woodsball (also known as woods paintball, hillball or bushball) is a format of paintball gaming, in which players compete in a natural outdoors area or a recreation of a town called urban fields (contrasting with inflatable bunker-based speedball format) using paintball guns to mark opponents.
This was comparable to the second method used by the researchers; using reported daily tank fill numbers, they alternately estimated that there were 256,00 to 340,000 dives annually. The study used 300,000 as its approximation of the number of dives per year on Guam, with one-third being made by locals and two-thirds by international visitors ...
Linear low-density polyethylene (LLDPE) granules. Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer-chain olefins.
Iron also forms many coordination complexes; some of them, such as ferrocene, ferrioxalate, and Prussian blue have substantial industrial, medical, or research applications. The body of an adult human contains about 4 grams (0.005% body weight) of iron, mostly in hemoglobin and myoglobin .