Does the opening of countertop gas stove need to be treated? Treatment of Sim cabinet desktop and gas burner. .

1: it's ok to move left and right, but three centimeters is a bit big. There is almost no problem that the stove expands to damage the countertop. 2. Glue the seams with aluminum foil paper for a circle, mainly to prevent the formaldehyde in the board from volatilizing. If there is water on the countertop, the board will expand due to moisture. 3: There should be no partition under the gas stove, because the stove needs oxygen when it is used, and some stoves have oxygen from below, so if it is sealed, it will cause poor combustion, that is, when it is sold, it is said that the stove is under the air. No matter where the air enters, it is best not to use partitions.