What is the fine-grained topic of the following text: Water mist systems utilizing automatic nozzles function similarly to a conventional sprinkler system but offer several advantages such as much smaller piping/tubing requirements, scrubbing of smoke and toxic gases, significant and rapid temperature reduction and 80-90% less water consumption compared to conventional sprinkler systems. Only return the topic.
Advantages of Water Mist Systems over Conventional Sprinkler Systems