Answer:
I contain six letters, minus one and you got twelve. What am I?
Everyone asks for me but yet everyone hates to face me. For someone I am agony, for others I am relief! What am I?
When set loose I fly away. Never so cursed as when I go astray.
I am the type of room you cannot enter or leave. Raise from the ground below I could be poisonous or a delicious treat.
The more you work the more I'll eat.You keep me full I'll keep you neat.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.