Answer:
I am black, white, and read all over. What am I?
It's in your hand though you can not feel it. Only you and time can reveal it.
I help engines spin and pants stay up.
If you have me you want to share me. If you share me you don't have me. What am I?
If a man carries my burden they will get crushed to death. Though not rich I leave silver in my track.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.