सुवर्णं पूर्वं निकष्य पश्चाद्वर्णिकां निकषयेत् ॥ कZ_०२.१३.१७ ॥
suvarṇaṃ pūrvaṃ nikaṣya paścād varṇikāṃ nikaṣayet
ກ່ອນອື່ນ ໃຫ້ຖູຄຳລົງໃສ່ຫີນທົດສອບ; ຫຼັງຈາກນັ້ນ ໃຫ້ຖູມາດຕະຖານສີອ້າງອີງ (varṇikā) ລົງໃສ່ມັນ (ເພື່ອປຽບທຽບ)។
It fixes the unknown sample’s streak first, then immediately compares it to a known standard under the same surface conditions—reducing dispute and manipulation.