noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verbintransitive verbnouns which may take the genitive case particle 'no'conversion;diversion;changeover;commutation;switchover
工場は石炭から、より清潔な燃料への転換を強く要求されている。
Factories have been urged to switch from coal to a cleaner fuel.