Introduction to Fire Alarm Systems 1
160 بار بازدید -
8 سال پیش
-
I'm explaining how fire alarm
I'm explaining how fire alarm systems work for new technicians or other employees who deal with these systems. This is my first video in a string of many Khan Academy-styled lessons. This video introduces the basic concepts involved in the initiating circuits on a conventional fire alarm panel.
8 سال پیش
در تاریخ 1395/12/25 منتشر شده
است.
160
بـار بازدید شده