In one of the exhibits, visitors can help identify minerals by testing five samples for color and luster, hardness, cleavage, magnetism, and streak.
(visitors; can help; identify minerals by testing five samples for color and luster, hardness, cleavage, magnetism, and streak; L:In one of the exhibits) Context(visitors can help,List([24, 41))):(visitors; can help identify; minerals) Context(visitors can help identify,List([24, 50))):(visitors; can help identify minerals by testing; five samples for color and luster, hardness, cleavage, magnetism, and streak)
visitors can help,List([24, 41)) visitors can help identify,List([24, 50))
visitors visitors visitors
can help can help identify can help identify minerals by testing
identify minerals by testing five samples for color and luster, hardness, cleavage, magnetism, and streak L:In one of the exhibits
minerals
five samples for color and luster, hardness, cleavage, magnetism, and streak