Steel gratings.
Liquid silver mercury.
Mercury liquid silver metal.
Silver liquid mercury, mercury.
Liquid silver mercury.
Silver liquid mercury.
Mercury liquid silver metal.
Liquid silver mercury.
Liquid mercury.
Liquid Silver Mercury.
Silver mercury.
Silver-liquid-mercury.
Virgin mercury.
Virgin silver mercury, liquid mercury.
Mercury.
Silver liquid mercury, liquid mercury, mercury, metallic chemical, silver mercury.
Silver mercury.
Mercury.