An insulator is a material that prevents or slows the flow of energy in the form of heat, electricity, or sound.
(An insulator; is; a material that prevents or slows the flow of energy in the form of heat, electricity, or sound) (a material; prevents; ) (a material; slows; the flow of energy in the form of heat, electricity, or sound)
An insulator a material a material
is prevents slows
a material that prevents or slows the flow of energy in the form of heat, electricity, or sound
the flow of energy in the form of heat, electricity, or sound