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Clean your face in the morning. After getting up in the morning, there is usually a lot of oil and metabolites on the skin, so you should carefully wash your face. Clean water is the best cleanser. Washing your face with clean water in the morning can not only refresh your spirit, but also make your skin feel particularly fresh, which is conducive to skin respiration, absorption of nutrients and excretion of waste. If it is carefully cleaned with moisturizing and whitening, moisturizing and mild facial cleanser, the effect will be better.

Any failure or potential failure of the aircraft is a serious threat to flight safety, so it must be treated with caution, even if it is only suspected that there is an unknown object (such as a small piece of debris on the runway.

If you use earplugs or hearing AIDS a lot, you can get too much wax. By the time earwax starts affecting your hearing, it may have already reached the point of "deafness," which is especially common among the elderly and those with hearing impairments. Proper ear hygiene contributes to our health.

Warm saline irrigation: Before the operation, the doctor needs to wash hands, wear a mask, assist the patient to sit and lie with the head to the healthy side, and hold the receiver close to the ear lobe of the affected side of the patient.

China began to import industrial endoscopes from abroad in the 1970s and 1980s. It was mainly used for the internal redundant control of aerospace products and the quality inspection of some parts, and then gradually applied to various industrial fields. Now it has entered the practical stage.

Industrial endoscope is a nondestructive testing equipment integrating optics, precision machinery, electronic technology, digital image processing and other technologies. It breaks the visual restriction of the naked eye and is suitable for extreme environments such as high radiation and high temperature, so it can help staff to clearly observe the internal conditions of equipment or parts from the outside of the equipment, so that staff can better understand the equipment conditions and make correct judgments. Its appearance has greatly improved the working efficiency of inspectors, avoided the damage caused by dismantling the equipment to be tested, greatly saved inspection time and equipment maintenance costs, and brought convenience to enterprises and inspection institutions.