If the stream is running parallel (or nearly so) to the jetty, either from ahead or astern, the shiphandler can use the stream to control the lateral movement of the ship.
Ukuba umsinga unxusene nesakhiwo esiselunxwemeni, nokuba ngaphambili okanye ngemva umphathi wenqanawa unokusebenzisa umsinga ukulawula intshukumo yasemacaleni enqanawa.