One to prevent wood rot. Some machine parts are made of wood and should be washed, dried, coated with tung oil, and placed in a ventilated and dry place. Two anti-iron parts rust. In the winter, they should be dismantled and cleaned. After drying, they should be painted with waste oil to preve…

They succeeded in cultivating pups by combining the two mothers' eggs, and for the first time achieved the unisexual reproduction of mammals, thereby breaking the genetic law that mammals must rely on male and female reproduction. Monosex reproduction is common in the reproduction of plant…

There is a long history in the culture of the beach clams in the country. The clams in the natural beach culture are more colorful than those in the pond culture, but they are not as good as the pond culture. In addition, the frequent occurrence of red tides in coastal areas in China has often…

The reducer is a relatively sophisticated machine, the purpose of which is to reduce the speed and increase the torque. It has a wide variety of different models and different types have different uses. The following are the commonly used reducer categories: (1) Cycloid reducer (2) Hardened su…