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Lava


Lava: Hot liquid or very viscous mass flowing onto the Earth's surface during volcanic eruptions

Source: "SAFETY IN EMERGENCY SITUATIONS. NATURAL EMERGENCY SITUATIONS. TERMS AND DEFINITIONS. GOST 22.0.03-97/GOST R 22.0.03-95"

(approved by the Decree of the State Standard of Russia dated May 25, 1995 No. 267)

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