During this classroom demonstration, the teacher sets off the fire alarm causing the sprinklers to go off <br /><br />SUBSCRIBE: http://bit.ly/JukinVideodm <br /><br />LIKE us on FACEBOOK: http://facebook.com/JukinVideo <br /><br />FOLLOW us on TWITTER: http://twitter.com/JukinVideo <br /><br />REGISTER and UPLOAD on our WEBSITE: http://JukinVideo.com
