MANY EMERGENCY EXIT-DOOR DEVICES FEATURE AN ALARM THAT SOUNDS WHEN...

4. - LOCKSMITH AND SECURITY PROFESSIONALS’ EXAM STUDY GUIDE PHẦN 4 PPSX
LOCKSMITH AND SECURITY PROFESSIONALS’ EXAM STUDY GUIDE PHẦN 4 PPSX

4.

Many emergency exit-door devices feature an alarm that sounds when a door is opened with-

out a key.

A.

True

B.

False