Answer:
What word has kst in the middle, in the beginning, and at the end?
I can climb mountains, cross streams, handle hundreds of feet each day, yet I never move. What am I?
you need thousands of me to create a digital image.
Everyone asks for me but yet everyone hates to face me. For someone I am agony, for others I am relief! What am I?
You use me between your head and your toes the more I work the thinner I grow.
The warmer I am the fresher I am.