Amidsst na-aga n'ihu ga-aga n'ihu ụwa na-aga n'ihu, ndị na-azụ ahịa na-azụ ahịa maka akpa ezi akpa ejirila arụmọrụ. Ndị na-azụ ahịa ọgbara ọhụrụ na-enwekarị nchegbu ugbu a ma akpa akpa ...

Ihe omuma nke polyester ihe. Aha kemịkal bụ polyethylene teered (anụ), ọ bụ polymer polymer polymesistic site na mmanụ mmanụ. Histo ...

Okwu Mmalite: Nylon dị ka eriri nke ụwa mbụ zuru oke, ebe ọ bụ na ebe ọ bụ na 1930s, ya na ibu ya, ike dị elu, na-eyi ngwa ngwa n'ime akwa ahụ, ...

, Tụnyere ihe onwunwe peculiarity nylon polyester poyester Mesyamide (PA) polyethylene terphthalene (anụ) dị elu tensile ike, magburu onwe ya na-eme ka ọ dị elu tensile ...