Wheels: Before using the equipment, make sure it rotates smoothly without any jamming or abnormal sounds.
Wheel foreign object cleaning: Conduct a thorough inspection around the wheels and promptly remove any entangled foreign objects to prevent potential safety hazards caused by hindering operation.
The principle of immediate discontinuation for non-conformities: If any of the above inspections is found to be non-compliant, the use of the equipment should be immediately halted until the fault is eliminated and it is confirmed to be safe and correct after rechecking.
