What if it's a paver and loader?
The maximum paving thickness of the paver can reach 50CM, depending on how thick the bottom of the paver is. Can also be layered paving, after the precipitation maintenance, the effect will be good, the service life of the president.
Loader, then we generally are virtual booth 50cm, and the rest do not know
Two ash crushed stone bulldozer, paving coefficient is 1.3