paints, [ varnishes, ] lacquers; [ binding preparations and ] thinners for paints and lacquers; [ rust preservatives in the nature of a coating; ] wood mordant dyes; and synthetic, [ solid and ] liquid coatings used as arrester paints for preserving and protecting wood, metals, and other surfaces subject to chemical breakdown, wear by mechanical friction as well, and bad weather, and for improving the condition of surfaces