in operation

Prepositional phrase

activated; functional; functioning; operating; working

Japanese Meaning

作動中 / 稼働中 / 運用中 / 動作中

After the emergency repairs, the water treatment plant is in operation again.

緊急修理の後、浄水場は再稼働しました。

Sense（1）

activated; functional; functioning; operating; working

The free market is still in operation, and the number fed from it increases weekly.