From 1 January 1996 the use of hydrochlorofluorocarbons shall be prohibited: in non-contained solvent uses including open-top cleaners and open-top dewatering systems without cold areas, in adhesives and mould-release agents when not employed in closed equipment, for drain cleaning where hydrochlorofluorocarbons are not recovered and aerosols, apart from use as solvents for reagents in fingerprint development on porous surfaces such as paper and apart from use as fixing agents for laser printers produced before 1 January 1996 ...