Answer:
I tremble at each breath of air, and yet can heaviest burdens bear. What am I?
I contain six letters, minus one and you got twelve. What am I?
If you lose me, you may cause people around you to lose me too. What am I?
I am made of wood but can't be sawed? What am I?
What has to be broken before you can use it?
The answer I give is yes, but what I mean is no. What was the question?