Do you know the numbers on bottom of plastic bottles indicate?

number-under-plastic-bottles

In our knowledge centre, today We Impact will show some basic knowledge about the plastic containers we face in our daily life. Let’s start from NUMBERS. Plastic bottle has a number (generally within a triangle) written at the bottom, ranging from one to seven. They all indicate the difference among various plastic containers, are very useful while sorting the collected bottles while recycling. In another word they are plastic ID number. NewsS

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