Derek 'Blaster' Bates is a demolition expert. Blaster demolishes three chimneys. Old factory chimney, camera pans from l to 2 others. Blaster arrives, Danger Demolition signs. Crowd watch. Blaster retreats. Blast & 1st chimney falls. Crowd reaction. Blaster & assistant run from behind stack. Blast & it falls neatly behind wall.