Task: Translation
Input (Xhosa): Uphando oluninzi koluyilo nokusebenza kweebhatyi zobomi iye yathwalwa ingakumbi ngumkhosi wobukumkani oko kwangemfazwe yesibini yehlabathi.
Output (English): Much research into the design and capabilities of lifejackets has been carried out, particularly by the Royal Navy, since the Second World War.