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.

This is so that the ends of the bridles can be lowered through it directly to the buoy jumpers.
Le nto yenzelwa ukuba isiphelo sithotyelwe ezantsi malunga nendawo yozinzo.

The battens help to keep a taut sail when on a wind, and sail may be quickly struck in a squall.

Iibhathini zinceda ngokugcina iiseyile ziqinile xa kunomoya yaye iseyile ingakhawuleza ingakrazuka kuqhwithelo oluqubulisayo.