Answer:
What force and strength cannot get through. I, with a gentle touch, can do. Many in the street would stand. Were I not a friend at hand.
Halo of water, tongue of wood. Skin of stone, long I've stood. My fingers short reach to the sky. Inside my heart men live and die.
The more you take, the more you leave behind.
It can cause deflation of tires when dropped from the rear of spy cars.
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.