यथाहस्तमवशेषः षडरत्निः पञ्चारत्निश्च ॥ कZ_०२.३१.१५ ॥
yathāhastamavaśeṣaḥ ṣaḍaratniḥ pañcāratniśca
यथाहस्तमवशेषः—षडरत्निः पञ्चारत्निश्च।
It indicates a practical field protocol for quick assessment when full measurement apparatus is unavailable, while still keeping categories consistent.