If you rub the screw with soap, it is easier to screw it into a tree. Why?
| May 28, 2020 | Education
The friction of the grease layers is less than that of hard surfaces.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.