Floating wave dissipation structure
Floating-type anti-oil anti-impact and anti-wave barrier
Flow permeable port embankment
Flow-guiding monolithic blocks for marine structures
Fluid dynamic erosion control unit
Fluid dynamic repeller for protecting coast from erosion
Fluid flows control apparatus and method of use
Fluid wave energy dissipating and absorbing structure
Form for erosion control structures
Formation of barriers
Funnel-shaped structural block and assemblies of such blocks for