Complex sentence: Unit 3 has a design output of 271MW and comprises a Turbo-Alternator manufactured by Alsthom, France and a'once through' type Boiler by M.A.N Germany.
Split into simpler sentences: Unit 3 has a design output of 271MW. It uses a Turbo-Alternator manufactured by Alsthom, France and a'once through' type Boiler by M.A.N Germany.