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| plastic rock (MichaelBurov); plastic stone (MichaelBurov); rock-like plastic (plastic rock: This type of rock-like plastic will be preserved in the geological record and mark the Anthropocene MichaelBurov); plastistone (MichaelBurov) | |||
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| plastic rock (MichaelBurov); plastic stone (MichaelBurov); rock-like plastic (plastic rock: This type of rock-like plastic will be preserved in the geological record and mark the Anthropocene MichaelBurov); plastistone (MichaelBurov) | |||