The fermentation lock or airlock is a device used in beer brewing and wine making that allows carbon dioxide released by the beer to escape the fermenter, while not allowing air to enter the fermenter, thus avoiding oxidation.
Most wood blinds are treated with a special finish to repel dirt and stains. Wood blinds can be cleaned with a good quality furniture polish and a soft cloth or clean sock. Spray the furniture polish on the cloth and wipe each slat individually. Avoid touching the cords. For heavier cleaning, you can use plain water, but be careful not to saturate the wood.
Found This Helpful. One of the easiest ways to save energy by keeping the heat outside and cool air inside your home is to block out the sun that shines through the windows. More than 40 percent of the heat gain inside the home in the summer comes from windows, according to the Arizona Power System (APS).