Wastes. Substances, solutions, mixtures or articles for which no direct use is envisaged but which are transported for reprocessing, dumping, elimination by incineration or other methods of disposal.
Water-reactive. Water-reactive means a substance which, in contact with water, emits flammable gas.
Weather deck. Weather deck means a deck which is completely exposed to the weather from above and from at least two sides.
Wooden barrels. Wooden barrels means packagings made of natural wood, of round cross-section, having convex walls, consisting of stave and heads and fitted with hoops.