שאלה | ?"what is the link between "thermal conductivity" and "thermal insulation

?"what is the link between "thermal conductivity" and "thermal insulation

		Wool is characterized by both thermal insulation and thermal conductivity
		Thermal insulation is the opposite of thermal conductivity
		Thermal insulation is the is the same as thermal conductivity
		Cement and steel are characterized by both thermal insulation and thermal conductivity