अक्षेषु नान्दीपिनद्धं कारयेत् ॥ कZ_०२.१९.१६ ॥
akṣeṣu nāndīpinaddhaṃ kārayet
অক্ষ/পিভট বিন্দুবোৰত নান্দী-বাঁধন (কসা/লক) কৰাব লাগে।
Because small mechanical looseness or hidden alterations at the pivot can systematically bias measurements; specifying a fastening standard reduces manipulation and wear-based drift.