Ipsi autem laterariis circa fixis contineantur teganturque tabulis maxime prinis, si non, ex cetera materia, quae maxime habere potest virtutem, praeter pinum aut alnum; haec enim sunt fragilia et faciliter recipiunt ignem.
Further, they are to be held together by purlins and covered by planks, best if of holm-oak, otherwise of wood which is very strong, but not of pine or alder; for these are brittle and inflammable.
final_alignments\Vitruvius_Architecture_Book_10.json