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.
Pour the vinegar over the dust pan. Rinse the whisk broom and dust pan with clean water to remove any residue. Wipe the area on the shelf with a cloth and vinegar or lemon juice. Continue wiping the shelf until there is no evidence of the Drano crystals on the shelf. Wipe the wooden shelf with a cloth and clean water.