... Air bearing kit,air dollies parameters,instruction,details,picture, Skate on air,air skids usage,instruction,price list,structure Air skate ... and material handling works: .have lower friction. Easier to handling equipment. .Highly maneuverable.Via air supply,it is very easy to ... just 50 mm, it is light-hearted to lift the equipment on it. .No pollution. Will not come out any pollutant, very ...