The opening of the St. Lawrence Seaway means that large bulk carriers for transporting ore, coal and grain, hitherto limited to operating on the Great Lakes, can be designed to cross the Atlantic as well.
Ukuvulwa kweSt Lawrence Seaway ixela okokuba ubukhulu besambuku esithwalwe ngokukhwelisa intsimbi ekrwada, uthuthu, iinkozo, kude kube ngoku ngokulinganisiweyo kusebenzo ngokobukhulu bechibi kungayilwa ukunqumla i-Atlantic ngokuko.