Static camera, cinematic realistic live-action, one continuous shot, no cuts, no camera movement. Keep the room, the radiator, the faces and the clothes exactly as in the first frame.
0.0-0.8 s: the grandpa on the left swings the big steel pipe wrench down with both hands and strikes the frosted top of the white cast-iron radiator once, hard; a puff of frost crystals bursts up from the hit and ...
