6 жыл бұрынFire Alarm Test #52 Рет қаралды 84,490SafeTech 1 1 Test of a 4002 system at a pre-school/day care facility. Please disregard the screaming children at times.Follow me on Twitter & Instagram (Links Below)TWITTER: / safetech0415 INSTAGRAM: / officialsafetech Жүктеу
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