lightning switch การใช้

And in the lightning switch from ox carts to the post-industrial age, survival for workers like Gomes da Silva, a supervisor at a box factory, depends on hitting the books to make up for lost time.
Allen got on the phone and calmly began asking technical questions about what kind of tape equipment the cub reporter would use, etc . Finally, after a countdown, Allen went on-the-record with a lightning switch to a tragic mood.
In October 2007, NASA cited the employment of the Lightning piezoelectric generator in the Lightning Switch as one of the top 20 spinoff technologies produced over the previous five years, based on factors such as quality of life, economic benefit, and value back to NASA.