6 POWDERS OF ZIRCONIUM AND TITANIUM HYDRIDES, SODIUM HYDRIDE, BOROHYDRIDES OF SODIUM, POTASSIUM AND LITHIUM, LITHIUM ALUMINUM HYDRIDE, LITHIUM ALUMINUM TRI-TERTIARY BUTOXY HYDRIDE, SIMPLE INORGANIC SALTS, SUCH AS THE CHLORIDES, FLUORIDES, IODIDES OF VARIOUS METALS