Have you ever noticed the triangle symbol at the bottom of the bottle, do you know what it means?

The Dhaka Times Desk There are plastic bottles scattered around the house. From keeping food to keeping water - just this plastic bottle. But, none of us ever notice the markings on plastic bottles. Does not burst quickly when dropped. Cleaning the bottle is also simple. With such simple convenience of use, plastic bottles have become a part of life.

But, we use these plastic bottles day after day without realizing it. Many people heat the plastic feeding bottle filled with baby's milk. Is it healthy to use enough plastic bottles? We do not make judgments about this. Therefore, if you understand the meaning of the triangle symbol on the bottom of the plastic bottle, many problems can be solved immediately.

Plastic Bottle Symbols:

১. Triangle symbol - It is actually the characteristic index of plastic bottles. This mark indicates that the bottle is legally manufactured. But, how reliable the bottle is to use or what kind of stuff it can hold, is understood by the number inside the triangle symbol.

২. If there is a number 1 between the triangles - it means that the bottle can be used only once and the bottle is made of polyethylene terephthalate plastic. Such bottles are harmful to health in many ways.

৩. If there are 2 numbers in the triangle - this type of plastic bottle uses dense polyethylene. This type of bottle is mainly used for storing shampoo or detergent.

৪. If there are 3 numbers in the triangle - this type of bottle should not be used more. Because, this bottle is made from 'polyvinyl chloride' or 'PVC'. There is a risk of cancer. This bottle is used to keep 'Peanut Butter'.

৫. If there are 4 numbers in the triangle - this type of plastic is useful for many uses. In particular, this symbol is very common on plastic packets. Very expensive bottles have this mark.

৬. If there are 5 numbers in the triangle - this type of plastic is absolutely safe and usable. Such markings can be seen on ice cream cups or syrup bottles or food containers.

৭. If there are 6 or 7 numbers in the triangle - it is called a plastic red card. This type of plastic is extremely harmful. Because this type of plastic is made of polystyrene and polycarbonate bisphenol. It creates hormonal problems in humans. Continuous use of this type of plastic increases the incidence of cancer.