Usage patterns
蒸気が上がるsteam rises
Steam is rising from the pot.
蒸気が出るsteam comes out (of something)
Steam is coming out of the spout of the kettle.
蒸気で〈物〉を蒸すto steam something using steam
Steaming vegetables tends to preserve their nutrients.
蒸気を発生させるto generate steam
This boiler generates high-pressure steam.
