1. the position of the wheel must be installed on the manufacturers specified design.
2. install the wheel bracket must have sufficient strength, in line with the load.
3. features of wheels may be changed, installation does not affect.
4. TRANS-donglunzhou must always be vertical.
5. fix must work with the axle between the wheels in a straight line.
6. only use the swivel casters, they must be the same.
7. fixed wheels for use with spin wheel, all wheels must be compatible with each other, and are subject to the manufacturer's recommended use.
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