If wide-span portal cranes or special overhead cranes are used in place of the straddle carriers and stackers currently employed the containers can be stacked in closely-spaced and high stacks.
Ukuba isipani seziolenge sivulekile okanye izilenge eziphezulu zisetyenziswa endameni yeziphathi ezingxabalizileyo kufutshane nesinye nezazisetyenziswa kudala izikhongozeli zingafunjwa kwizithuba ezincamathileyo.