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      1. Plant
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        • Factory gate

          Factory gate

        • Office building

          Office building

        • dormitory

          dormitory

        • Plant environment

          Plant environment

        • Back garden

          Back garden

        • Back garden

          Back garden

        • Back garden

          Back garden

        • Plant environment

          Plant environment

        • Plant environment

          Plant environment

        • Plant environment

          Plant environment

        • Plant environment

          Plant environment

        • Advanced detection equipment (atomic absorption instrument)

          Advanced detection equipment (atomic absorption instrument)