Damming and barrier-forming device and method
De-watering system
Decants of tailings dams
Deep root watering unit
Desalting irrigation and its apparatus
Detention pond water quality apparatus and system
Device for draining sandy ground areas
Device for draining soils in depth
Device for ensuring free water passage to roof rainwater outlets
Device for inserting a drainage wick into the ground
Device for preventing flooding caused by sprinkler failure
Device for regulating the flow in a drainage siphon tube
Device for soil irrigation
Dike irrigation
Downspout drain outlet
Drain apparatus
Drain apparatus
Drain board installing device without anchor plate
Drain channel system
Drain cover portion