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Female Indian factory supervisor is on-the-job training an African American male employee, in a blue helmet and yellow vest, to operate machinery.
doctor and nurse medical team are performing surgical operation at emergency room in hospital. assistant hands out scissor and instruments to surgeons during operation.
Fire extinguisher instruction. Fire prevention and extinguishing tips. Safety Information, poster or banner for website. Cartoon flat vector illustrations isolated on blue background
Team of surgeon doctors are performing heart surgery operation for patient from organ donor to save more life in the emergency surgical room
Team of medical doctors performs surgical operation in modern operating room using high-tech technology. Surgeons are working to save the patient in the hospital. Medicine, health and science.

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