id	keyword
sc-3742	fire
sc-3742	sensor
sc-3742	data
sc-3742	system
sc-3742	gas
sc-3742	hangar
sc-3742	aircraft
sc-3742	detection
sc-3742	city
sc-3742	module
sc-3742	cities
sc-3742	wireless
sc-3742	network
sc-3742	nodes
sc-3742	figure