id	keyword
fusus-469	air
fusus-469	sensor
fusus-469	quality
fusus-469	gas
fusus-469	samples
fusus-469	figure
fusus-469	time
fusus-469	voltage
fusus-469	seconds
fusus-469	table
fusus-469	accuracy
fusus-469	data
fusus-469	classification
fusus-469	system
fusus-469	analysis
fusus-469	ppm