TASK DEFINITION: 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.
PROBLEM: Ngamadonga azo angqingqwa zimele ukusebenzisa kubunzulu bamanzi alungele umqhubi; kodwa kufuneka amandla amancinci ukugcina ukuseleko-moya.

SOLUTION: With their fixed sidewalls they are restricted to operation in depths of water that are suitable for the propeller, but require much less energy to maintain the air cushion.

PROBLEM: Kumele ukuthatyathwa kumzekelo oqinileyo. [DMSO]

SOLUTION: represent an abstraction by a concrete instance. [DMSO]

PROBLEM: Ngabaqhubi benkwili abangabandadanyekiyo kutshabalaliso lweziphumo zezinto ezisemngxunyeni, ezikuwo kwesinye isandla mhlawubi lo mandla amalunga namawaka angamashumi amathandathu anesihlanu (kw) angafunxwa.

SOLUTION:
With marine propellers that are not subject to the destructive effects of cavitation it is, on the other hand probable that powers of up to 65,000 kW could be absorbed.