In this task, you are given a sentence or phrase in English. You must translate it to Xhosa in a way that is equivalent in terms of meaning and grammatically correct.

In 1980 there were more than 650 chemical tankers with a tonnage of about 2.2 million grt in service.
Ngomnyaka ka1980 kwakukho iitanki ezingaphezulu kwamakhulu amathandathu anamashumi amahlanu zezimuncu ezinomthamo wenqanawa -oyilenganiswe ngeetoni ezimalunga nezigidi ezibini ezinesiqingatha ukusebenza.

Conversely, they will become unreliable if ignored.
Ngokuphikisayo, banokungakhuthali xa bengahoywanga.

This extends nearly throughout the length of the ship, sometimes in the form of a ring main and usually low down in the ship.
Oku kunyusa kufutshane phakathi kwangaphandle kobude benqanawa, ngamanye amaxesha kulakhiwo lwendawo yeringi kunye nangokusoloko iphantsi kwinqanawa.