to further elaborate your knowledge about useful or harmful materials make a survey of your environment and find out what materials or products give 3 only were converted back to become useful how search your answer from the world wide web
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Answer:
From heavy metals to undetonated explosives, check out the ways Americans are recycling perilous materials into useful new products.
#1: Explosives.
#2: Acids.
#3: Firearms and Ammunition.
#4: Asbestos.
#5: Lead.
#6: Fire Extinguishers.
#7: Refrigerants.
#8: Pesticides, Herbicides, Fungicides.
Explanation: