How to see the automatic mechanization will fully replace the claim of manual labor?

Automatic mechanization can improve the working conditions, to avoid personal accidents in high temperature, high pressure, low temperature, low pressure, dust, noise, odor, radioactive or other toxic contamination and narrow workspace and other occasions, the direct operation of the human hand is dangerous or impossible, and the application of manipulator can be partially or completely instead of the human to complete the operation, and at the same time, in some of the action is simple but repetitive operation, the manipulator instead of manual operation can be avoided due to the operation of labor or negligence. At the same time, in some simple but repetitive operations, the use of manipulators instead of manual operation can avoid personal accidents caused by operation fatigue or negligence. It can reduce the manpower to facilitate the rhythmic production.