These can be used for hoisting and lowering the containers out of and into the guides, and also when the containers are hoisted right up close to the carriage the crane can also move them along the ship.
Ezi zingasetyenziswa ukunyusa nokuhlisa iibhokisi zokuthumela impahla zibe ngaphandle nangaphakathi kwezikhokeli kwakhona xa iibhokisi zinyuselwa kanye kufutshane nekarej,isilenge naso singakwazi ukuzisondeza kwinqanawa