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Anonymous users2024-01-24You can't turn on the gas right away, and when there is no smell, it's safe to turn on the gas.
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Anonymous users2024-01-23The kitchen sprayed 82 four, can you turn on the gas? 20 miles said that it should be opened again at intervals, because the poisonous gas itself has a bad effect on the human body.
Close the valve, spray the insecticide for one hour, and then open the window for ventilation for one hour.
Of course not, if the alcohol is disinfected, at least it will take more than an hour to open the window of the toilet, and the alcohol can be smoked only after the alcohol is evaporated, otherwise alcohol is a very dangerous item, flammable and explosive! Note.
Spray it, seal it for 10 minutes, open the window for ventilation, and you can.
If there is a certain limit value when the gas alarm device is installed, the cockroach spray will not be alarmed if it does not reach the limit value. But you must remember to open the doors and windows for ventilation after a period of time to ensure that the air is fresh and harmless to the human body.
Hello, yes.
The kitchen gas main can be turned, this is not a downpipe, if there is a turn, it will not have any effect, this is gas and there is no debris, it will not block the elbow, so it can be no effect. >>>More