A fat reinforced hose runs up into it, compressed air keening out through tiny leaks.
In some tests last year, a tiny leak developed in one of the engines.
Then there'll be a tiny leak of the last call from Air Force Three.
One way to check for tiny leaks in toilet tanks, is to put some food coloring in the tank.
Just a tiny leak, microscopic, but enough to affect the quality, enough to let in germs.
He thought he could even see ice crystals forming on one of them from moisture seeping out through a tiny leak.
Besides, it means we can slip right out through their hull like a quantum black hole, at most leaving a tiny leak they'll barely notice.
Taking on water is inevitable - large waves often break over the sides, and tiny leaks are common.
But this time, a tiny, almost inaudible leak persisted.
Also, regularly test for and fix leaks - even a tiny leak could cost you more than £700 a year in wasted energy.