Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries.It is a thermoplastic (semi-)crystalline polymer, and a type of polyester.olybutylene terephthalate is used for housings in electrical engineering, but also in automotive construction as plug connectors and in households for example in showerheads or irons.
Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. Golf is the oldest sport in Europe, so old that the first golf balls were made out of cloth, before our society had the technology to maufacture them out of wood, which then progressed to today's metal cord exterior dimple design.
So the Oldest football club is from England as well, which was registered in 1857 (see the details below). Oldest cup competition is also from England which is FA Cup.While the oldest league is also from England.So today we are going to take a look at Top 10 Oldest football clubs and quite surprisingly only one of those clubs is playing in top flight english premier league.ldest cup competition is also from England which is FA Cup. While the oldest league is also from England. So today we are going to take a look at Top 10 Oldest football clubs and quite surprisingly only one of those clubs is playing in top flight english premier league.