Static macro shot, cinematic realistic live-action, one continuous shot, no cuts, no camera movement. Keep the radiator, the small chrome air valve, the key, the hand and the white enamel mug exactly as in the first frame.
0.0-3.0 s: a smooth thin steady stream of clear water without any bubbles flows from the small side hole of the valve into the mug.
3.0-5.0 s: the hand turns the key clockwis...
