1. Choose to carry a small tank. First of all, we need to determine the weight of the heavy weight of the handling. 2. Select the material of the wheel according to the weight and ground situation 3. Select different models according to the route and operation method of handling, and you can also use it straight and steering. 4. It should be noted that the small tanks are rarely used alone, usually 3 to four in a group. It is a handling tool, which is often used to do large -scale heavy objects, which can be held on the four corners of the heavy objects. Some people also call it to carry auxiliary wheel or a small divel. It can be said that its structure is simple and does not need special maintenance in later use. Very welcomed by the handling company, it is often used when handling heavy equipment in the workshop.