पञ्चाशद्भागो मानस्रावो द्रवाणाम् ॥ कZ_०२.१९.४४ ॥
pañcāśadbhāgo mānasrāvo dravāṇām
द्रव पदार्थों के लिए स्वीकार्य रिसाव-हानि (मान-स्राव) 1/50 होगी।
It creates a measurable tolerance band: inspectors can distinguish natural loss from deliberate under-filling, reducing arbitrary enforcement.