11. Hansen proposed that the hot surface was the result of aerosols trapping the internal energy of the planet. 12. The dust devil is able to sustain itself longer by moving over nearby sources of hot surface air. 13. The hot surface could evaporate the liquid before it has had a chance to work on the wood. 14. The binder that touches the hot surface of the core box begins to cure within 10 to 30 seconds. 15. The hot surfaces then heat the air, which increases demand for air conditioning and can cause smog to form. 16. There are fire, electricity, hot surfaces , boiling pots, sharp knives and implements and any number of accidents waiting to happen. 17. After these missions, it was clear that Venus had a very hot surface and an atmosphere even denser than expected. 18. Officer Levi Bolton has some sage advice for his colleagues : Beware of hot surfaces and buy lots of sunscreen. 19. There may be a wire guard over the front of the shroud, to prevent touching the hot surface of the bulb. 20. Or they may reveal how the sun's tangled magnetic field molds its super hot surface of ionized gases and free-flying electrons.