Answer:
What starts with a T ends with a T and is full of T?
You can draw me, fire me or fill me in.
What has holes on each side, but can still can hold water?
What has a ring but no fingers?
These are the bumpy parts of your digits
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.