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.

It is absolutely essential that the master of the towing vessel be able to observe the mneuvers and to regulate the towing speed accordingly.
Kubaluleke ngokungathandabuzekiyo ukuba umqhubi ekwisikhitshane esitsalayo abehako ukuqwalasela iintshukumo kwaye abenako ukulawula iscinlya sokutsalu ngekuja nelekileyo.

Central Design Activity
Umsebenzi wokuYila woMbindi

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.