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OlafJanssen (talk | contribs) (Added [en] label: material) |
OlafJanssen (talk | contribs) (Added [en] description: substance that can occur in different amounts, all with some similar [mixture of some] characteristics, and of which objects can be made up) |
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description / en | description / en | ||
substance that can occur in different amounts, all with some similar [mixture of some] characteristics, and of which objects can be made up |