Stain removal are capable of removing: Household bleach generally removes a stain's colour, without dissolving the stain itself. Hydrogen peroxide is also a bleaching agent that can be used to treat stains. Sodium hydrosulphite and sodium hypochlorite normally used for removing stain and dyes colors. Acetone is good for removing some glues, nail polish, ink stains, rubber cement, and grease. Nail polish remover may contain acetone, however for general use it is best to obtain bottled acetone from a hardware store. It can be diluted with water. Inert solvents are those that do not react with anything in the stain. Water for
Polish Air Forces in France and Great Britain of the Polish Air Force. The squadron number "305" is added. 306 Squadron's badge uses an old Polish design previously used for 141 and 142 Escadrilles. The main differences are: 141 & 142 had an inverted hexagon, 306 uses a diamond shape. Also in the 306 badge there is a bear and tree, a symbol for Warwickshire, UK (and Madrid). 307 Squadron's badge uses a crescent moon, an aircraft and an Eagle Owl derived from the heroic exploits of The Lwów Eaglets (Polish: Orlęta Lwowskie) young fighters who died defending the city of Lwow in Galicia, Poland from invading Ukrainian