Famous quotes containing the words zone and/or material:
“The human race is a zone of living things that should be defined by tracing its confines.”
—Italo Calvino (1923–1985)
“[T]he asphaltum contains an exactly requisite amount of sulphides for production of rubber tires. This brown material also contains “ichthyol,” a medicinal preparation used externally, in Webster’s clarifying phrase, “as an alterant and discutient.””
—State of Utah, U.S. public relief program (1935-1943)