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.

Ngokwemveli ngumbane kwaye ungathatha intlobo ezininzi -iinqanawa ,izandi,icoronari nezinye ke
Is electrical in origin and may take many forms - arcs, bands, coronae etc.

Xa iinqanawa zibonana, inqanawa eqhutywa ngamandla esendleleni, xa ilawulwa, mayibonise ukuba ilawulwa yile miqondiso ilandelayo xa ibetha impempe.

When vessels are in sight of one another, a power driven vessel underway, when manoeuvring, shall indicate that manoeuvre by the following signals on her whistle.