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| rock-like plastic (plastic rock: Similar rock-like plastic formations were recorded in Hawaii MichaelBurov); plastic rock (MichaelBurov); plastic stone (MichaelBurov); plastistone (MichaelBurov) | |||
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| rock-like plastic (plastic rock: Similar rock-like plastic formations were recorded in Hawaii MichaelBurov); plastic rock (MichaelBurov); plastic stone (MichaelBurov); plastistone (MichaelBurov) | |||