Polymers that contain only a single type of repeat unit are known as homopolymers, while polymers containing a mixture of repeat units are known as copolymers. Poly(styrene), for example, is composed only of styrene monomer residues, and is therefore classified as a homopolymer.
AirHeads bounced onto the radar of confection lovers in 1986 courtesy of the Italian and Dutch candy manufacturing company Perfetti Van Melle. Produced by their USA division based in Kentucky, AirHeads are a chewy taffy-like confection that kids love to pull, squish and mold into crazy shapes before they bite into it.
AS OF 1-9-14: From Titleist, only Scotty Cameron heads are made in USA. They don't own or manufacture any of their irons or woods in the United States anymore, the only major company that makes any iron heads in America is PING.