It depends on the thickness of the curtain. If it is too thin or not, it is recommended not to use cloth. It is not easy to wash cloth with lampblack. Glass doors can be used, and the glass doors should be cleaned.

Oil fume refers to the oil fume emitted when we usually cook, which is a large amount of thermal oxidation decomposition products produced by edible oil and food at high temperature. Oil is heated when cooking. When the temperature reaches the smoking point of edible oil 170℃, blue smoke will decompose in the early stage. With the increasing temperature, the decomposition rate will be accelerated. When the temperature reaches 250℃, there will be a lot of oil smoke, accompanied by a pungent smell. The particle size of oil fume is 0.0 1 micron -0.3 micron.