Answers

2016-05-04T20:37:23+05:30
Home : gas cylinders, electrical outlets, water storage tanks, harmful medicines, smoke, stale food. 

School: traffic, playgrounds, open drainage on the roads 

Office: the boss chat, with friends ,mobiles, canteen food.
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2016-05-04T21:05:35+05:30
Gas cylinder,inverter batteries,
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