Trump watches SpaceX manned launch: we have to go to Mars X-ray  hand switch

On May 30th, the SpaceX manned spacecraft was successfully launched at the Kennedy Space Center in Florida, United States. US President Trump also attended the day to watch. He said it was incredible to see the launch in person. When you hear the roar of the launch, you can imagine how dangerous it is, even if you stand far away, you can feel the shaking. He later said that at this particular moment, this launch has an inspiring significance, and this is just the beginning, and the United States will continue to explore space.

The Newheek x-ray hand switch adopts a double-key double-open switch design, which is different from other mechanical designs. The mechanical service life reaches 5,000,000 times and the electronic service life reaches 300,000 times. x-ray hand switch Long and high sensitivity.