Q: In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.
Yayi boniswe ukuba ngewon avavanyiweyo amagumbi e-injini ezingcina inqanawa zingaphantse ziphumelele umva ojikelezayo oFgcweleyo ngemizuzu emibini.
A:
It was shown that with a well-trained engine-room staff the ship could achieve almost full astern revolutions in two minutes.