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.

Ibhombu eyenzelwe ukuqhuba kuphela xa iimpembelelo ezimbini okanye ngaphezulu ezahlukileyo zamkelwe ngokulandelelana okanye ngendlela emisiweyo
Mine designed to actuate only when two or more different influences are received simultaneously or in a pre-determined order

Baquka incazelo zomgca wonxweme kunye nempawu zayo zomhlaba, ulwazi nendawo yokuma inqanawa, umsinga, ububanzi, njalo-njalo.
They include descriptions of the coastline and its landmarks, information about anchorages, currents, depths, and so on.

Oku kunokuba luncedo xa inqanawa iqengqeleka kanzima.

This may be advantageous if the ship is rolling heavily.