Impregnating paints, anti-corrosive preparations, colours, colourants, varnishes, natural resins, lacquers, binding agents and thickeners for colours and lacquers, mastic in the form of a coating, to be used also for evening surfaces, rust resistant preparations, coloured coatings for waterproofing roofs, floor and walls, plastic compounds containing cellulose, synthetic resins or starch as surface covering to be applied as a coating, with a brush and a spray gun