noun, noun or participle which takes 'suru', transitive verb
replacement; substitution; swap
General term for exchanging one thing for another, often with the nuance of removing the old and putting in the new. Used for physical objects, people, or abstract things.
電池の入れ替えが必要です。
The batteries need to be replaced.
The team got stronger through player substitutions.
noun, noun or participle which takes 'suru', transitive verb
shunting; switching
Railway term for moving rail cars to rearrange a train or change tracks.
駅で貨車の入れ替え作業が行われている。
Shunting of freight cars is being carried out at the station.