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what are usually poor conductors of heat and electricity what are poor conductors of heat and electricity what are poor conductors of heat and electricity called what are bad conductors of heat and electricity what elements are poor conductors of heat and electricity non metals are usually poor conductors of heat and electricity these elements are usually poor conductors of heat and electricity( what materials are poor conductors of heat and electricity metals are typically poor conductors of heat and electricity metals are typically poor conductors of heat and electricity true or false
