free-progressive
free-radical
free-railing
free-range
free-roller
free-rotor
free-route
free-running
free-space
free-springing
  free-standing
free-steered
free-stream
free-surface
free-swimming
free-swing
free-vortex
free-water
freeway
freewheel
free-wheeling

    free-standing sheet-pile wall

    шпунтовая стенка без анкерной связи