Groynes are used for blowing bubbles .
at the beach!
Having studied the aerial view of Borth on Google Earth - there are groynes at regular intervals from Upper Borth to Ynyslas.
Wooden groynes work belkhebra
Groynes prevent or slow down erosion.
Stone groynes Wooden groynes and Sea Walls Hope this helped :')
They need groynes to prevent te sand going in land slides
A groynes is a hydraulic structure. It is build very sturdy so that it interrupts water flow on the ocean shore.
Groynes
there is about 7 groynes along dover beach. I think. sorry if this is wrong. if you know different CORRECT THIS
They are cheap and they retain sand.
they dont
groynes