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A technician is performing maintenance on a chiller cooling machine.
Mistakes to Avoid Highlighted on White Paper with Black Pen – Concept of Caution, Learning, Business Improvement, and Error Prevention Strategy.
Vaccine bottles and syringes for injection preventing chikungunya virus.
Serious Asian young woman saying no to nicotine, beating addiction, choosing healthy lifestyle, showing broken cigarette close to camera, promoting no smoking. Close up of hands
fire prevention. corporate safety - exercise during a firefighting course

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