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.
When the history of sports is as old as humankind. To begin with what has been recorded or documented in the history of sports, takes us back at least 3,000 years. The early history of sports often involved the preparation and training for war or hunting.