biohazard symbol interpretation petri plates composition isolated

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Biohazard symbol interpretation by petri plates composition isolated Royalty Free Stock Photo

Biohazard symbol interpretation by petri plates composition isolated

Biohazard sign interpretation by contaminated petri plates composition isolated on the black background by pen tool. Four petri plates with nutrient agar used. Petri dishes contains bacterial colonies of different species, isolated from sea water. Focus on full depth.