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.

Yinto elungileyo yokubaluleka koqoqosho ukuba iinkampani ezinkulu ze-oyile kunye nabanini benkampani ezinkulu zezithuthi zepetroli ezinokukhula okanye ukwehla kubude obayanyaniswa nazo.
This is an important economic advantage for the large oil companies and the tanker-owning companies that are to a greater or lesser extent associated with them.

Nayiphina inqanawa ingasebenzisa imiqondiso yokukhanya endaweni yemiqondiso milozi emiselwe ngentla, ingaphinda phindwa, ngexa ulawulo luqhubekeka.
Any vessel may supplement the whistle signals prescribed above by light signals, repeated as appropriate, while the manoeuvre is being carried out:

Oku kweziwa njengo mlinganiselo okusekutshisweni.

These are known as the limits of in-flammability.