त्रिपञ्चभागिकौ द्वौ कपाटयोगौ ॥ कZ_०२.३.२४ ॥
tripañcabhāgikau dvau kapāṭayogau
扉の金具/組立(kapāṭayoga)を二組設け、各々を五分の三(3/5)の比率(tripañcabhāgika)とする。
They improve security, enable predictable maintenance, and allow the state to audit workmanship and material usage.