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Does the facade room on the first floor need a smoke window?
Need to smoke

If the local area allows open fire dining downstairs, it is difficult to save money to solve the problem of smoke exhaust, and now the environmental protection is strict. Install the evolution of range hood from chimney to roof. Maybe the property can't get through. If you get there in time, the cost is not small. It is better to evolve the lampblack and discharge it from the water. Please refer to.