Hello dear steemians and welcome to a new topic about some things we use it and see it but we don't know what it means.
We see these bags in a lot of things like shoes, backpacks and many things it's called Silicon bags and it purpose is keep things away from moisture , they absorb moisture and also protect metals from rust. A trick can be useful to you. If your phone falls into the water, turn it off and put it inside these bags it suck water from it.
We all see this symbol but most of us do not know what it means. you can find it in the medicine boxes, cosmetics and even some foods.
These things that we mentioned above do not depend only on the validity of the expiration date, this symbol is the expiration date from another type it means that after opening the product can not be used more than the period specified in the symbol, the letter "M" means a month and the number is the number of months that should be consumed Product in it after opening.
The colourful square on the toothpaste tubes and medicines tubes means the materials what made that product, natural or chemical.
Black color means that the product contains 100% chemical.
Red color means that the product contains 70% chemical and 30% natural.
Blue color means that the product contains medicine and natural materials.
Green color means that the product contains 100% natural.
Hope you're find this topic useful see you soon with the second part.
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