installation of metal structures - immediate support for draining soil at the construction site the road in marshland.

board building built construction crumble deaquation dehumidification dehydrating dehydration desiccation device devolve dewatering diking ditch ditching drain drainage draining dry drying dug entrenchment exsiccation flake flow heavy immediate industrial industry lining metal pit poling pumps reclamation removal set shore shoring slough support trench unwatering water waterpump