The following conditions are not applicable

• 

• 
  

  ● The ground is particularly pothole

  
  

  ● There is water and mud on the ground

  
  

  ● Cold storage

  
  

  ● Working condition where the PU wheel will corrode

  
  

  ● Flammable and explosive environment

  
  

  ● It cannot be used outdoors in rainy days