अक्षेषु नान्दीपिनद्धं कारयेत् ॥ कZ_०२.१९.१६ ॥
akṣeṣu nāndīpinaddhaṃ kārayet
Pada poros/titik tumpu, ia harus membuat pengikat nāndī (yakni susunan pengaman/pengunci tertentu pada tumpuan).
Because small mechanical looseness or hidden alterations at the pivot can systematically bias measurements; specifying a fastening standard reduces manipulation and wear-based drift.