In the British Merchant Navy a lifebuoy is of circular shape and is usually made of solid cork or balsa wood, and covered with painted canvas.
Kumkhosi worhwebo wolwandle wobukumkani bamaBrithitshi into egcina umntu edada inesimo esibusangqa yaye idla ngokwenziwa ngekhokhi eqinileyo okanye iplanga lebalsa ze yogqunywe ngeeseyile ezipeyintiweyo.