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CONSTRUCTION OF DOOR ALARM SYSTEM
2013-12-12
The door alarm system is an electronic device that can be used as a
security device. It is an electronic watch dog because when installed on a
door, and somebody ...
IDOWU VICTORIA FOLASHADE
- OND
CONSTRUCTION OF DOOR ALARM SYSTEM
2013-12-10
The door alarm system is an electronic device that can be used as a
security device. It is an electronic ·watch dog: because when installed on a door, and somebody ...
IDOWU VICTORIA FOLASHADE
- OND