Taweret

In Egyptian mythology, Taweret (also spelled Taurt, Tuat, Taouris, Tuart, Ta-weret, Tawaret, Twert, and Taueret, and in Greek, Θουέρις "Thouéris" and Toeris) is the protective ancient Egyptian goddess of childbirth and fertility. The name "Taweret" (Tȝ-wrt) means, "she who is great" or simply, "great one," a common pacificatory address to dangerous deities. The deity is typically depicted as a bipedal female hippopotamus with feline attributes, pendulous female human breasts, and the back of a Nile crocodile. She commonly bears the epithets "Lady of Heaven," "Mistress of the Horizon," "She Who Removes Water," "Mistress of Pure Water," and "Lady of the Birth House."

History and development

Archaeological evidence demonstrates that hippopotami inhabited ancient Egypt's Nile River well-before the dawn of dynastic Egypt (before 3000 BCE). The violent and aggressive behavior of these creatures intrigued the individuals that inhabited the region, leading the ancient Egyptians both to persecute and to venerate them. From a very early date, male hippopotami were thought to be manifestations of chaos; consequently, they were overcome in royal hunting campaigns, intended to demonstrate the divine power of the king. However, female hippopotami were revered as manifestations of apotropaic deities, as they studiously protect their young from harm. Protective amulets bearing the likenesses of female hippopotami have been found dating as far back the Predynastic period (ca. 30002686 BCE). The tradition of making and wearing these amulets continued throughout Egyptian history into the Ptolemaic and Roman periods (ca. 332 BCE 390 CE).

Polyethylene terephthalate

Polyethylene terephthalate (sometimes written poly(ethylene terephthalate)), commonly abbreviated PET, PETE, or the obsolete PETP or PET-P, is the most common thermoplastic polymer resin of the polyester family and is used in fibers for clothing, containers for liquids and foods, thermoforming for manufacturing, and in combination with glass fiber for engineering resins.

It may also be referred to by the brand name Dacron; in Britain, Terylene; or, in Russia and the former Soviet Union, Lavsan.

The majority of the world's PET production is for synthetic fibers (in excess of 60%), with bottle production accounting for about 30% of global demand. In the context of textile applications, PET is referred to by its common name, polyester, whereas the acronym PET is generally used in relation to packaging. Polyester makes up about 18% of world polymer production and is the fourth-most-produced polymer; polyethylene (PE), polypropylene (PP) and polyvinyl chloride (PVC) are first, second and third, respectively.

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