Method and apparatus for relining or forming a trench

Method and apparatus for setting a cement plug in the wide-mouth

Method and apparatus for stabilizing a trench form during constr

Method and apparatus for supporting and anchoring drainage chann

Method and apparatus for the active prevention of sedimentation

Method and apparatus for the automated control of canals

Method and apparatus for the transport of particulate solids usi

Method and apparatus for transferring mud and silt

Method and apparatus to control a beach at an inlet and to maint

Method and arrangement for influencing liquid in ground

Method and column for collection and separation of oil, gas and

Method and construction of underground tank well

Method and device for oil spill response operation

Method and device for recovering liquid substance

Method and device for waterproofing and draining off...

Method and equipment for maintaining ice-free locks

Method and installation for storing liquid gas at low temperatur

Method and machine for the layered placing of core material and

Method and means for making an embankment

Method and plant for storing fresh water