id	keyword
globalce-296	ventilation
globalce-296	droplets
globalce-296	kumar
globalce-296	covid-19
globalce-296	airflow
globalce-296	velocity
globalce-296	figure
globalce-296	classroom
globalce-296	fluid
globalce-296	dynamics
globalce-296	coughing
globalce-296	dispersion
globalce-296	particles
globalce-296	transmission
globalce-296	wall
globalce-296	influence
globalce-296	engineering