You don't understand these knowledge of going against the sky and protecting the environment.

Dry batteries that can't be used can be revived with a little effort: just wipe them on your hands, feet or clothes for a while. The battery "revived" in this way once made a reading clock run for two to two weeks. The principle of a battery is to generate electricity through a chemical reaction. The battery is dead, but the current is not smooth. Even though the surface looks lifeless, there are still many components that have not yet produced chemical reactions. Therefore, as long as it is rubbed for a moment, the heat generated by friction warms the inside of the battery, which can help the residual components in the battery to produce a chemical reaction smoothly.

In today's world, online shopping has developed rapidly, and the number of online shoppers and the amount of consumption have increased year by year. Low price, convenience and environmental protection are the reasons why most consumers like online shopping. People do have reason to believe that it is more environmentally friendly, because it greatly saves packaging, manpower, space and so on. , thus reducing energy consumption and pollution emissions. However, some institutional surveys show that online shopping just "looks beautiful" because there are a large number of computer processing centers behind online shopping. These data centers full of servers are big energy consumers with amazing carbon emissions.

Showers actually consume a lot of water. If you take a bath fast enough, it will take 10 minutes to solve the problem, but even so, you still use 40 liters of water, which is the 80 th edition of mineral water. If you are a woman, generally speaking, you will take a long bath, not to mention 15 and 20 minutes. In this case, the most conservative estimate is 60 liters of water, which is enough for you to drink 1 month. Therefore, when taking a bath, everyone should try to shorten the use time.