Number

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2,042 published items.

Why do cars cause drowsiness?
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Why do cars cause drowsiness?

There are a number of reasons why we may feel sleepy in cars. One is that the body wants to make up for sleep because the night before the trip we are busy preparing to…

July 3, 2020
What are floors B, G, R in the lift?
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What are floors B, G, R in the lift?

When entering the elevator, on the panel besides the buttons 1, 2, 3, 4 ... corresponding to the position of the floors we also see the appearance of symbols such as B,…

June 29, 2020
Why is the price usually listed in odd numbers?
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Why is the price usually listed in odd numbers?

If you pay attention, you will see that most of the product's price will be listed in odd numbers, for example 99 thousand, 149 thousand, 990 thousand or $ 1.99 and $ 39…

May 13, 2020