- immovable tray
- неподвижный лоток
English-Russian mining dictionary. 2015.
English-Russian mining dictionary. 2015.
Sterling silver — is an alloy of silver containing 92.5% pure silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. Fine silver (99.9% pure) is generally too soft for producing large functional… … Wikipedia