The clock speed is adjusted by changing the length of the clock pendulum using a small weight, for example, a nut at the lower end of the pendulum. What should you do with the nut if the clock is in a hurry? behind?
If the clock is in a hurry, then the nut must be lowered down. When the clock is lagging behind, the nut must be tightened up.
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.