Answer:
When I type I tap these on the keys
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
Before Mount Everest was discovered, what was the highest mountain on Earth?
They come out at night without being called, and are lost in the day without being stolen. What are they?
White and thin, red within, with a nail at the end. What is it?
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.