. . . "Sprung floor" . "dancefloor" . . "Sprung floor" . "Floating floor" . "harlequin floors" . . "sprung dance floor" . "metal coil springs" . "spring-loaded dance floors" . . . "\\\"floating\\\" dance floor" . . "dance floor" . . "sprung" . "sprung track" . "portable dance floor" . "sprung floor" . "sprung dancefloor" .