Cloud banks: airlines save halon.
Burton
Adrian
A
D001359:Aviation; D005617:Chlorofluorocarbons, Methane / Q000592:standards*; D003247:Conservation of Natural Resources; D003906:Developing Countries; D004787:Environmental Pollution / Q000517:prevention & control*; D005411:Flame Retardants / Q000592:standards*; D012042:Registries; D014480:United Nations
D005617:Chlorofluorocarbons, Methane; D005411:Flame Retardants