Precious Metals в Android Market

Precious Metals (v. 1.0) Разработано Deep Powder Software

Precious metals are metals that do not form oxides or do not do so easily (that is, they do not form chemical compounds with oxygen and other gases and thus do not rust). They include ruthenium, rhodium, palladium, silver, osmium, iridium, platinum and gold. This is a Glossary of terms used when dealing with precious metals