Micromeritics - Fundamental and Derived Properties of Powders
Qué, cuáles
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7. Imágenes:
André Hofmeister, Small shops, Kleine Läden 7 (flickr), <https://www.flickr.com/photos/exil-fischkopp/13452874825/>
ARASAAC: pictogramas „café“ y „té“, <http://www.catedu.es/arasaac/>
Captain.orange, Teatime (flickr)