How to extend the using time according to the material of castor

How to extend the use time according to the material of castor for different use place choose different material castor different materials have different physical and chemical properties. The material of castor environment requires the use of different places is different, of course the service life of the foot lun will be different. In order to avoid because of castor problem of short service life caused by the use of improper place can come from two aspects to solve. On the one hand, castor manufacturers each foot production sales Aaron shall have the corresponding product instruction for use, its proper use. On the other hand, the user should know when using castor castor suitable for use, to avoid misuse and cause unnecessary loss.