Zopangidwa ndi polyethylene fiber zowuma zokhala ndi ma molekyulu apamwamba kwambiri amatengera njira yopangira njira yopangira, yomwe ili ndi ubwino wamtundu wowala, kachulukidwe ka yunifolomu, komanso mphamvu zosweka. Amagwiritsidwa ntchito kwambiri m'magulovu apadera osamva, ma sene akuluakulu am'madzi oswana, ndi zingwe zogwira ntchito kwambiri. Ndipo kusaka ndi madera ena.
Nthawi yotumiza: Dec-27-2022
