| 11. | In 1928, the RAF developed an electric heating system for the aerial camera.
|
| 12. | When in 1972 an electric heating system was available, two prototypes were constructed.
|
| 13. | Nearly two-thirds of all new homes are built with gas rather than electric heating.
|
| 14. | It has a nonslip rubber surface, and inside it is an electric heating element.
|
| 15. | These were already kitted-out with electric lighting and electric heating.
|
| 16. | Some modern models incorporate electric heating elements connected to timers.
|
| 17. | In Quebec, however, electric heating is still the most popular form of home heating.
|
| 18. | Its electric heating element becomes hot in seconds upon activation.
|
| 19. | Also, if necessary, the system activates the electric heating of windscreen and rear window.
|
| 20. | There is no electric heating or light in the church.
|
