Despite the many proposals that have been made for efficient icebreaking, there is only one technique that has been employed by displacement ships up to the present.
Ngaphandle nje kwezicelo ezininzi ebezenziwe ngemfuneko yophulo-mkhenkce, bunye qha ubugcisa obebusetyenzisiwe ngokushenxisa iinqanawa ukuza kuthi ga ngoku.