एकशीर्षकः शुद्धो हारः ॥ कZ_०२.११.१७ ॥
ekaśīrṣakaḥ śuddho hāraḥ
“Vòng cổ thuần” (śuddha hāra) là loại một đầu/một mút (ekaśīrṣaka).
A baseline/standard form (and possibly unmixed material composition) used as the reference category for comparison and valuation.
Terminal structure affects workmanship, material use, and therefore valuation—critical for procurement and audit.