Jetty -

These are installed along the sides of a river or harbor to maintain a specific navigation path .

Often used in tourism harbors , these rise and fall with the tide, providing a stable platform for passenger ships. These are installed along the sides of a

A is a man-made structure that extends from the shore into a body of water, designed primarily to influence water currents or protect a coastline. While they often resemble piers or breakwaters, jetties serve distinct engineering and environmental purposes, ranging from maintaining navigation channels to preventing coastal erosion. The Core Purposes of a Jetty These are installed along the sides of a