Hints and tips:
...In a speech about the lessons of the financial crisis, he asked “whether audit should be fitted with front-facing halogen spotlights as well as reversing lights”....
...Now LEDs are fast displacing traditional light sources such as incandescent, halogen and fluorescent bulbs, catalysed partly by double-digit annual price declines in components....
...The windscreen is transparent when the headlights flash but then darkens by more than 50 times in a fraction of a second when the optical cover is closed. Simultaneously the headlights turn off....
International Edition