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.

If a brow is fitted with a roller, a sheet of metal should be placed over the area of movement.
Ukuba ungqameko lulinganiswe nokuqengqa, icangci kumele libekwe ngaphezulu kwaloo ndawo kukho okunokushukuma .

These must be observed in the construction of ships classed with them.
Oku kufuneka kujongisiswe kulwakhiwo lwenqanawa eyahlulwa kuzo.

The large amount of material installed by the pipe-layer requires a constant supply of pipes, which are provided by the larger supply ships.

Ubuninzi bemveliso efakwe ngumaleko wombhobho ufuna uzingiso kuxhobiso lwemibhobho, ezinikwa zinqanawa ezixhotyiswe kakhulu.