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 may be necessary at night to close one or more gangways.
Kuyafuneka ebusuku ukuba kuvalwe nokuba mnye okanye mininzi imigangatho yokungena enqanaweni.

It can be made with the end or with the bight of the rope, as illustrated in Fig. 7-9 (a) and 7-9) (b) respectively.
Ingenziwa ekugqibeleni okanye ngorhintyelo lwentambo ngokubonisiweyo kumboniso 7-9 (a) kunye 7-9 (b) ngokwahlukeneyo.

Any vessel may supplement the whistle signals prescribed above by light signals, repeated as appropriate, while the manoeuvre is being carried out:

Nayiphina inqanawa ingasebenzisa imiqondiso yokukhanya endaweni yemiqondiso milozi emiselwe ngentla, ingaphinda phindwa, ngexa ulawulo luqhubekeka.