| They are so energy-efficient that they require very little electrical power. |
| They are commonly used to de-ice very large surfaces because electrical power is always available in excess. |
| They are mainly used as de-icing devices after ice has already formed on pitot probes, static ports and windshields. |
| They are typically used to prevent icing on relatively small surfaces such as pitot-static probes and windshields. |
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