大家都覺得長者有智慧..但其實你大錯特錯
Polyethylene - Wikipedia, the free encyclopedia大家都被騙了... Polyethylene (abbreviated PE) or polyethene (IUPAC name polyethene or poly(methylene)) is the most common plastic. The annual global production is around 80 million tonnes. [2] Its primary use is in packaging (plastic bags, plastic films, geomembranes, co...
全文閱讀