Concamarationes vero si ex structura factae fuerint, erunt utiliores; sin autem contignationes fuerint, figlinum opus subiciatur. Sed hoc ita erit faciendum.
The vaulted ceilings will be more convenient if they are made of concrete. But if they are of timber, they should be tiled underneath, in the following fashion.
final_alignments\Vitruvius_Architecture_Book_5.json