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Complex of hemoglobin and chlorophyll. Chemical structure.
Danger, biological hazard, infectious material, do not engage without proper protective equipment, sign vector
A clear depiction of the chemical element potassium from the periodic table showing its atomic number 19, symbol K, and atomic weight 39.098
no harmful chemicals black outline icon round rounded circle badge stamp label isolated on transparent background
Water pollution from industrial pipes. Chemical waste flow pollution in nature. Dirty effluent discharge from pipe. Ecological damage. Environmental pollution. Pond contamination. Muddy swamp. Vector
Plant fertilizer. Fertilizer in fertile soil, soil pH test, farming and agriculture icon set. Collection of fertilizer bag and spreader, vegetable, compost vector flat outline icons. Editable stroke

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