द्वादशाङ्गुला वितस्तिः छायापौरुषं च ॥ कZ_०२.२०.१० ॥
dvādaśāṅgulā vitastiḥ chāyāpauruṣaṃ ca
वितस्ति (हाताचा फैलाव) बारा अंगुलांचा असतो; आणि ‘छाया-पौरुष’ (छाया-मानव) मापही त्यानुसार ठरविले जाते.
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.