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What does the triangle symbol usually print on the bottom of a plastic bottle mean?
Underneath the plastic bottles, boxes or items there is always a triangular symbol made up of 3 arrows and a number in it (from 1 to 7).
Plastic
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Articles about Plastic
805 published items.
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90% we do not know how to pour water out of plastic bottles properly
Currently, most people pour water from plastic bottles in a general way without knowing that the action is completely wrong and consumes too much of your time.
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The secret to better drinking Coca Cola is that you don't notice it
Not only you but also many people do not know this small but interesting truth.
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What magic did the plastic pieces in this picture stick to?
Uncover the secret to help you become enlightened - just a small impact, the plastic pellets automatically stick together.
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Silly String sprays and secrets in plastic foam
Silly String is a kind of fiber foam spray that we often use to ... jubilant in parties or festivals.
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Coins made from special materials
Before being made of current common materials such as metal, paper or plastic ... the coins of some countries were made from bottle caps, squirrel skin, salt, even potat…
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Filtered water for long periods of time
Scientists found that, if you put a cup of water outside overnight, its chemical composition may be changed so that the next morning when you drink it, it will taste sli…
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8 unbelievable science applications from simple things
For scientists, they always find unexpected applications of very ordinary items around us.
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Do you have to remove potting covers when planting trees?
The huge thunderstorm rain suddenly hit Hanoi on the afternoon of June 13, causing many trees to fall on the streets. After the thunderstorm, people saw the soil of the…
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Why is little beer packed in plastic bottles?
Plastic is a material that has a great impact on our lives. It is a cheap material that can be shaped into any shape and most importantly easy to reuse.
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Revealing the 'gold' indicator of the perfect nose
Cosmetic surgeons revealed that a woman's nose is considered perfect if the corner of the nose is 106 degrees.
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See the types of war weapons
French artist - Alain Declercq has recorded a simple image of the explosion of various chemical compounds used for many types of war weapons such as TNT, napalm, bomb H…
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How does 3D printer work?
Layer by layer, 3D printers create objects from adhesive plastic materials. Let me introduce you to the process of creating an object of 3D printers, along with advanced…
