The destruction of the building by the core: Listen & Download The destruction of the building by the core .mp3 Error! Change your browser, please! ⇓ Download Blows on concrete, Hammer and chisel ⚠ Sandpaper, Fine Emery ⚠ Belt sander ⚠ Vise make clamp ⚠ Drill machine ⚠ Screwdriver ⚠ Circular Saw Blade Closing ⚠ Hacksaw, sawing ⚠ Electric surface grinding machine ⚠ Air rivet gun ⚠ Bulldozer working ⚠ Plane ⚠ ★★★★★