द्विहस्तं तोरणशिरः ॥ कZ_०२.३.२३ ॥
dvihastaṃ toraṇaśiraḥ
ສ່ວນຫົວ/ສ່ວນເທິງຂອງຄັນໂຄ້ງປະຕູ (toraṇaśiras) ຕ້ອງຍາວ 2 ຄິວບິດ (ສອງຫັດ).
Uniform dimensions simplify procurement, reduce fraud in materials, and ensure structural consistency across state works.