id	keyword
bjos-8648754	absenteeism
bjos-8648754	diseases
bjos-8648754	industry
bjos-8648754	workers
bjos-8648754	health
bjos-8648754	study
bjos-8648754	days
bjos-8648754	number
bjos-8648754	oral
bjos-8648754	steel
bjos-8648754	portuguese
bjos-8648754	total
bjos-8648754	shift
bjos-8648754	causes
bjos-8648754	brazil