A masked construction worker, surrounded by dust and debris, coughs into his elbow, highlighting the importance of safety protocols on building sites.
Keywords
safety,
mask,
respirator,
protection,
hazard,
dust,
airborne,
pollutant,
particle,
silica,
exposure,
disease,
occupational,
disease,
labourer,
site,
injury,
regulation,
workplace,
environment,
ventilation,
airway,
lung,
inhalation,
fume,
chemical,
substance,
particulate