OTHER INORGANIC COMPOUNDS (INCLUDING DISTILLED OR CONDUCTIVITY WATER AND WATER OF SIMILAR PURITY); LIQUID AIR (WHETHER OR NOT RARE GASES HAVE BEEN REMOVED); COMPRESSED AIR; AMALGAMS, OTHER THAN AMALGAMS OF PRECIOUS METALS
Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals.