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.
This is the oldest stone house in Europe. It was originally part of a Neolithic farmstead. Radiocarbon dating shows that it was standing since 3700 BC to 3100 BC, or up to 5,500 years ago. Now this site is in the care of Historic Scotland. It is the third among oldest buildings in the world. See also; Top 10 Wonders of the Ancient World. 2. Megalithic Temples of Malta. These Temples on the island country of Malta have been claimed as the oldest free-standing structures in world.