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. Retourner-la-cellule, sortie vers le bas) et la replacer sur les cales posées sur la largeur (pour éviter d'endommager le raccord de sortie) On a à présent un cylindre d', argile aux 2 faces planes et lisses en place dans la cellule en plexiglas

. Placer-une-fine-couche, à 2 cm en épaisseur) de sable fin sur le film plastique. Le sable permet de répartir la charge mécanique qui sera appliquée sur le montage