Complex sentence: Today Federal Signal's Q2B siren is still in wide use The majority of users of the Q Siren are fire departments, although some ambulances and heavy rescue squads have employed the Q-siren because of its pitch recognizable sound.
Split into simpler sentences: Today Federal Signals Q2B siren is still in wide use The majority of of users of the Q Siren are fire departments. Although the majority of users are fire departments some ambulances and heavy rescue squads have employed the Q siren because of its pitch recognizable sound.