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Red and white protective bollards installed around gas equipment at a shopping mall facility to provide safety, security, and controlled access.
An Asian male warehouse worker in a reflective vest, suffering from back pain due to incorrect posture and heavy lifting strain.
Hazardous chemicals, industrial pollutants are used in the chemical industry, pharmaceuticals, in production of plastics and fibers, in the production of artificial fertilizers, endanger human health
authorized personnel only sign next to construction site with bulldozer vehicle in the background (do not enter work zone forbidden prohibited entry hard hat danger dangerous area) industrial zone
Red Warning Flag on Rocky Beach: Danger Sign, Rough Seas, Coastal Hazard, Caution, Seascape Alert

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