Point One Hormble Flame and Smoke Terrible

・8’57”

Point Two Type of Residential Fire Alarm

・ 1’25”

Point Three Principle and Installation of Residential Fire Alarms

・8’13”

Point Four Check the Fire Alarms After Instllation

・ 0’52”

Point Five if A Fire Alarms Goes Off...

・ 3’36”

Point Six Meintenance of Residential Fire Alarms

・4’45”