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.

Phambi kokuba ikhuluwe kuyacetyiswa ukuzisa imigudu kwintsontelo yokubophelela ngokususa i-injini kwisibonda esiphambili senqanawa xa isiphambuka sicacile.
Before unmooring it is sometimes advisable to bring a strain on the cables by moving the engines astern, when any turns may clear.

Ukuba ngaba amandla entambo yocingo ayayirhanela ingenziwa kubungqina bomthwalo wayo.
If the strength of a wire rope is suspect it can be subjected to its proof load.

Emva kwedudumo ezathi zavakala ishumi elinesithandathu ngaphezulu nangoko nakwimpindezelo eyafumaneka eyaqala ngobunganga ngenxa yomonakaka owenziwa ngumpu.

This action took place three years after the great confrontation with the Spanish Armada.