Chemistry, stir the liquid in a beaker: Listen & Download Stir the liquid in a beaker, Chemistry .mp3 Error! Change your browser, please! ⇓ Download Subject falls on gravel ⚠ Lab accident ⚠ Dragging an item on a concrete floor ⚠ Tambourine ⚠ Bullet hit in metal ⚠ The flag flaps in the wind, beats fastening ⚠ Small splash of liquid, Tinder subject ⚠ Fishing reel ⚠ Football bugle ⚠ Organ plays, small crowd, Church ⚠ Whip pillow ⚠ The subject falls on the wooden floor. ⚠ ★★★★★