Fotomærke: faststoffer
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terning, geometri, form, optisk, 3d, struktur, faststoffer, geometriske, matematik, sfære
Public Domain
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platonisk, faststoffer, geometri, polyeder, geometriske, form, polygon, 3d, struktur, tetraeder, oktaeder
Public Domain
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Polyeder, faststoffer, matematik, rulle, 3d, geometri
Public Domain
