Jetties were constructed in the 1950s and 1960s in an attempt to reduce erosion of sandy beaches caused by the lateral currents and wave action.
(Jetties; were constructed; L:in the 1950s and 1960s; L:in an attempt) (sandy beaches; caused; by the lateral currents and wave action)
Jetties sandy beaches
were constructed caused
L:in the 1950s and 1960s L:in an attempt
by the lateral currents and wave action