Differences between ordinary wrenches and ratchet wrenches

In home life, the commonly used hand tools are not only screwdrivers but also wrenches, and various wrenches are required for installation, maintenance and disassembly.
"Monkey wrenches, box wrenches, L-shaped wrenches and Allen wrenches" are commonly used wrenches, and their use methods are almost the same.
Ratchet wrenches are used more and more by people because of their large torque, high hardness, easy operation and other reasons. So, as wrenches, how to choose ordinary hand wrenches and ratchet wrenches?
The mechanism of ordinary hand wrench is simple, and bolts, screws, nuts, etc. are rotated by using the lever principle.
The ratchet wrench mechanism is more complex than the ordinary wrench. A snap ring, a pawl, a spring and a ratchet wheel are arranged in the holding space of the main body head. The ratchet wheel is composed of a ratchet wheel main body and a spacer sleeve. The spacer sleeve is a circular ring with a concave ring groove on the periphery, and the spacer sleeve is arranged at one side of the ratchet wheel main body.