Consider the following statements. (i) Fender is the cushion provided on the face of the jetty for ships to come in contact, (ii) Slip is the space of water area between two adjacent piers where ships are berthed, (iii) Pier head is a structure constructed near the tip of break water near the harbour entrance. Of the statements

Docks are for loading, unloading, and repair of ships, while harbours provide safe shelter and anchorage for ships and allow the transfer of passengers and cargo between the ship and the land.