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.

Example Input: Slight corrugations or ridges and furrows in a flat plate due to the action of compressive or shear forces.
Example Output: Uqolo oluncinci okanye umjelo kwipleyiti okubangelwa ngamandla obubanzi.

Example Input: When conning from the wing of the bridge (or from the island in an aircraft carrier), some object in the ship lying directly ahead should be used as a mark instead of the stem.
Example Output: Xa

Example Input: In twin-screw ships only the offshore propeller should be used.
Example Output:
Kwinqanawa eneziqhubeli phambili ezimbini makusetyenziswe kuphela isixhobo sokujika kuphela.