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Examine bacteria in petri dishes in the laboratory. Selective focus.
Examine bacteria in petri dishes in the laboratory. Selective focus.
Examine bacteria in petri dishes in the laboratory. Selective focus.
Examine bacteria in petri dishes in the laboratory. Selective focus.
Professional cleaner sweeping floor with broom, wearing uniform and gloves, maintaining hygiene
Examine bacteria in petri dishes in the laboratory. Selective focus.
Examine bacteria in petri dishes in the laboratory. Selective focus.