द्वादशाङ्गुला वितस्तिः छायापौरुषं च ॥ कZ_०२.२०.१० ॥
dvādaśāṅgulā vitastiḥ chāyāpauruṣaṃ ca
বিতস্তি (হাতের বিস্তার) বারো অঙ্গুল; এবং ‘ছায়া-পৌরুষ’ (ছায়া-মানব) মাপও সেই অনুযায়ী নির্ধারিত।
Because uniform base units reduce disputes and corruption in surveying, wage-work measurement, procurement, and tax assessment.
It provides a practical, reproducible field method for estimating standardized height/length relationships during surveying and construction checks.