त्रिपञ्चभागिकौ द्वौ कपाटयोगौ ॥ कZ_०२.३.२४ ॥
tripañcabhāgikau dvau kapāṭayogau
ກຳນົດໃຫ້ມີຊຸດອຸປະກອນປະກອບປະຕູ (kapāṭayoga) 2 ຊຸດ ໂດຍແຕ່ລະຊຸດມີສັດສ່ວນ 3/5 (tripañcabhāgika).
They improve security, enable predictable maintenance, and allow the state to audit workmanship and material usage.