an insulator. that's why it's used in building
Insulator
Conductor
insulator.
insulator
is a pen a insulator of conductor
Plastic is an electrical and thermal insulator.
bowl is conductor
Insulator.
Brick set cement and masonry WHEN DRY are insulators.
Insulator.
insulator.
It is an insulator
bricks 4 a matta o' facd do cotuck elecrteesity
conductor
insulator
conductor!!!!! ;))
Its a insulator
yes
it is a conductor