Efforts are made to achieve the highest possible speeds for ships that are regularly used for the carriage of high-value cargoes, for example in the liner trades.
Amalinge ayenziwa ukuze kufunyanwe esona santya silungileyo siphezulu ebesisoloko sisetyenziswa rhoqo ukukhuthaza imithwalo yexabiso eliphezulu, umzekelo kubathengisi abasemgceni.