श्वेतं स्निग्धं मृदु च श्रेष्ठम् ॥ कZ_०२.१३.११ ॥
śvetaṃ snigdhaṃ mṛdu ca śreṣṭham
ଯାହା ଶ୍ୱେତ, ସ୍ନିଗ୍ଧ (ଦୀପ୍ତିମାନ) ଓ ମୃଦୁ (ନରମ/ନମ୍ୟ)—ତାହା ଶ୍ରେଷ୍ଠ।
They provide field-ready inspection criteria for officials, enabling consistent acceptance/rejection without specialized devices.