tugevdatud kerega laev, mis võimsa jõuseadme abil läbistab merede, järvede ja jõgede jääkatet
ship whose hull is specially strengthened to enable her to crush ice using her own weight in order to make a passage sufficient for other ships to navigate
navire conçu pour frayer des passages navigables dans les eaux prises par les glaces
... the term 'vessel` shall mean any self-propelled sea-going vessel of 100 gross tonnes and above used for transportation of goods or persons or for performance of a specialized service (for example, ice breakers and dredgers) and any tug of 365 kW and over ...
