close samples polymer plastic granules isolated black background |
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| navigate by keyword : granule plastic white science industry polymer polypropylene lab research petrochemical injection plant granules polymeric background laboratory closeup chemical material resin thermoplastic technology recycling raw grained texture factory granulate chemistry polycarbonate grain particle composite conceptual black isolated industrial pellets |
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| Close-up samples of polymer plastic granules. Isolated on a black background. Conceptual image |
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