Breakdown of shouka wa taisetsu desu.
Questions & Answers about shouka wa taisetsu desu.
消火 is a noun, and more specifically it is also a verbal noun.
That means:
- it can act like a noun, as it does in this sentence
- it can also combine with する to make a verb: 消火する = to put out a fire / to extinguish a fire
In 消火 は 大切 です, it is being treated as the topic of the sentence: as for fire extinguishing...
