Itaque ex his saxa si, antequam coquantur, contusa minute mixta harenae in instructuram coiciantur, non solidescunt nec eam poterunt continere.
Therefore if stones of this last quality are crushed before they are burnt, and mixed with sand, and thrown into the work, they do not become solid, nor can they hold the building together.
final_alignments\Vitruvius_Architecture_Book_2.json