Like other construction sites, the drainage of lawn surface water needs to be taken into account.<br>Therefore, when finally leveling the ground, ground drainage should be taken into account.<br>There should be no low spots there to avoid water accumulation.<br>Lawn drainage is mainly achieved through gentle slopes. Build a gentle slope ditch within a certain area, and the lowest end can be equipped with a rainwater inlet to receive the discharged surface water, which is then discharged through underground drainage pipes.
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