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Polyethylene terephthalate (or poly (ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P ), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fibre for engineering resins. [5]
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Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar. Its properties are similar to polyethylene, but it is slightly ...
TSMC was founded in Taiwan in 1987 by Morris Chang as the world's first dedicated semiconductor foundry. It has long been the leading company in its field. [15] [16] When Chang retired in 2018, after 31 years of TSMC leadership, Mark Liu became chairman and C. C. Wei became Chief Executive.
The greeting "Hello" became associated with telephones in the late 19th century. Postcard circa 1905–1915 Hello is a salutation or greeting in the English language. It is first attested in writing from 1826. Early uses Hello, with that spelling, was used in publications in the U.S. as early as the 18 October 1826 edition of the Norwich Courier of Norwich, Connecticut. ...
0 (zero) is a number representing an empty quantity. Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures. Multiplying any number by 0 has the result 0, and consequently, division ...
Oscar Leonard Carl Pistorius (/ p ɪ ˈ s t ɔːr i ə s / pist-OR-ee-əs, Afrikaans: [pəˈstuəriœs]; born 22 November 1986) is a South African former professional sprinter and convicted murderer. Both of his feet were amputated when he was 11 months old as a result of a congenital defect; he was born missing the outside of both feet and both fibulae.
