| 摘要 |
A fire sprinkler switch is provided to solve the problem of the existing sprinkler depending on the high heater by using a manual sprinkler switch. A fire sprinkler switch which is possible to be operated manually includes a switch of the sea-water color. The fire sprinkler switch operates even if it is once pressed down without the need to be pressed. The operation time from the press is less than five seconds. The fire sprinkler switch is installed at the apartment house.
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