1. Smell the taste first, the taste of PET is different from ordinary plastic. Use a lighter to burn it, and then you will smell a very aromatic and comfortable taste (just burn a bottle to smell), if the PET contains other ingredients, the taste will be very pungent .There are kinds of bottles cont

Because most of the plastics are currently petroleum products, China's petroleum reserves only account for about 2% of the world's total. According to relevant data, China has changed from an oil exporter to a net importer in 1993, and became the world's second largest oil consumer in 2002. At that

Plastics that are common in life are mostly used for outer packaging, but once they are discarded and not disposed of in time, what we often call "white pollution" is formed. To give a common example, the mulch film used in agriculture has brought great development in the later use, but the broken f