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.

Phambi kwento ebizwa ngokuba lixesha lobunzima kwi-oyile kwakusoloko kubizwa okanye kuthethwa nge- nqanawa yokuthutha ipetroyile yezigidi, eyathi ngexesha elilodwa yalindelwa ukuba isebenze ekupheleni kwale inkulungwane.
Before the so-called oil crisis there was frequent mention of the "million-ton" tanker, which at one time was expected to enter service by the end of this century.

Owona mgama mkhulu apho isithatha esisuka esibaneni sinako ukufikelela ngumhloli, ngokuminywa kuphela
The maximum distance at which light from a light can theoretically reach an observer, as limited only by

Ngokucacileyo yayimfanelo ngokwenziwa ngenxa yesiphoso esenziwa ngumqhubi wenqanawa.

This was apparently due to a navigational error.