In addition to refrigerators and refrigerators, these refrigerators have these wonderful functions! 1, moisture can be restored
If biscuits are damp, they are not crispy, but it is a pity that they have not been stored for longer than the shelf life. Cookies can be placed in the freezer for about 24 hours. Remove the biscuits and press them gently with your fingers. The biscuits are cracked and the taste of the cake is restored to its original crispiness.
2. Remove chewing gum
When the chewing gum accidentally sticks to the item, it can be put in the freezer together with the sticky item. After about 1 hour, the chewing gum becomes brittle and the article is removed and the chewing gum can be peeled away with a light fingernail.
3, stockings extended life
Many girls often wreak havoc with stockings. Do not open the newly purchased stockings and place them in the refrigerator freezer for 1 to 2 days. After about half a day and then put on, changes in temperature can increase the toughness of the stockings, ice over stockings less likely to damage.
4, battery extension power
The mobile phone battery can shorten the standby time due to memory or aging. The battery can be wrapped in a newspaper and the newspaper can absorb excess water. Place the plastic bag in the freezer for 3 days, take it out for 2 days at room temperature, and then recharge it. Repeat 3 to 4 times.
Displacement sensor, also known as linear sensor, is a linear device belonging to metal induction. The function of the sensor is to convert various measured physical quantities into electricity. In the production process, the measurement of displacement is generally divided into measuring the physical size and mechanical displacement. According to the different forms of the measured variable, the displacement sensor can be divided into two types: analog and digital. The analog type can be divided into two types: physical property type and structural type. Commonly used displacement sensors are mostly analog structures, including potentiometer-type displacement sensors, inductive displacement sensors, self-aligning machines, capacitive displacement sensors, eddy current displacement sensors, Hall-type displacement sensors, etc. An important advantage of the digital displacement sensor is that it is convenient to send the signal directly into the computer system. This kind of sensor is developing rapidly, and its application is increasingly widespread.
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