द्विहस्तं तोरणशिरः ॥ कZ_०२.३.२३ ॥
dvihastaṃ toraṇaśiraḥ
門のアーチ上部材(toraṇaśiras)は二肘(キュビット)とする。
Uniform dimensions simplify procurement, reduce fraud in materials, and ensure structural consistency across state works.