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1 janv. 5000 av. J.-C. - Piramides Egito

Description:

Os egípcios usavam formas iniciais de concreto há mais de 5000 anos para construir pirâmides. Eles misturavam lama e palha para formar tijolos e usavam gipsita e cal para formar argamassa.

Ajouté au bande de temps:

Historia do cimento

Byguille
9 nov. 2017
0
0
797

Date:

1 janv. 5000 av. J.-C.
Maintenaint
~ Il y a 7030 ans

Les images:

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