Compound engines allowed ships to carry less coal than freight.

Well marked, they allowed ships to enter, where heavy seas could not pursue them.

She checked and found it was now the only world in local space that actually allowed ships to land under power.

This allowed British ships and troops in the war zone to take defensive action.

Some ports feature canals, which allow ships further movement inland.

It must allow very large ships of the Suezmax size in both directions simultaneously.

A large jetty and channel were built to allow ships to dock.

My solution is radical, but it will allow ships to once again approach this planet.

The bridge was built to allow tall ships underneath.

This technology allowed ships to travel between stars independently.