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On a weekly basis, it is necessary to regularly check the air state of the rubber solid tire, and to remove the foreign matter on the tire shaft in time. Check the tire/spare tire usage and repair it immediately if a problem is found.
It is necessary to lubricate the places that need to be lubricated every month, and the tire wear and the use of the chassis should also be checked regularly. These are all items that need to be checked during use.