When repairing and water-proofing are completed, hot air is pressure- fed through an air pressure hose 8, and water in the grooves 6 is discharged into the air.MATSUBA YUJI
lot of planning and information.the roof has to be relatively flat and strong enough to support the weight of the plants ,soil, and water that will be absorbed.it must be covered with a tough ,waterproof barrier to keep rainwaterfrom leaking throug to the spaces bleow 正在翻译,请等待......