Public Address System
Public Address system is an electrical sound amplification system which allows a person’s voice, music,to be heared throughout a large …
Public Address system is an electrical sound amplification system which allows a person’s voice, music,to be heared throughout a large …
Teacher’s day is a special event celebrated on the 5th of September every year in India. Teacher’s day is more …
Teachers day celebrate on 5th September to celebrate the Birth Anniversary of Dr. Sarvepalli Radhakrishnan and Tribute to the contribution …