Chemistry, ground powder on the table:Listen & Download Chemistry, ground powder on the table .mp3 Error! Change your browser, please! ⇓ Download Plastic bag ⚠ Scratch ⚠ Suction, blisters, Wet ⚠ Wooden whistle ⚠ Energy shot ⚠ Sine wave (975Hz) ⚠ Football bugle ⚠ Subject falls on gravel ⚠ Throw it on the floor, Shake the bag ⚠ The flag flaps in the wind, beats fastening ⚠ Trampoline (diving) ⚠ Kick on the door ⚠ ★★★★★HTML code:BB code: