id	keyword
cte-397	air
cte-397	data
cte-397	monitoring
cte-397	content
cte-397	pollution
cte-397	analysis
cte-397	pm10
cte-397	particles
cte-397	quality
cte-397	pm2.5
cte-397	ternopil
cte-397	system
cte-397	sensor
cte-397	cte-2018