... & DETECTING,SMOKE DETECTOR,HEAT DECTOR,PHOTOELECTRIC SMOKE DETECTOR,FIRE CONTROL PANEL,FIRE KEEP OUT LIGHT,DANGER WARNING LIGHT.PART 2:PIPES & ... ,OR THE VOLUME OF ROOMb.THE PROTECTED SUBJECT:COMPUTER ROOM,FILE ROOM,OR POWER STANTION ( THIS DECIDE THE DESIGNED CONCENTRATION ) ... c.DO YOU NEED FIRE ALARM PART 1 LIKE SMOKE DETECTOR,...CONTROL PANEL,/......3. Main ...