An insulator for heat and (less so) for electricity. A conductor for sound and vibration.
insulator
insulator
An insulator for heat and (less so) for electricity. A conductor for sound and vibration.
An insulator for heat and (less so) for electricity. A conductor for sound and vibration.
Insulator.
A dry stick is an insulator.
insulator
insulator
insulator
It is an insulator.
An insulator for heat and (less so) for electricity. A conductor for sound and vibration.
insulator
An insulator for heat and (less so) for electricity. A conductor for sound and vibration.
Insulator.
insulator.
It is an insulator
conductor