विंशतिद्रोणिकः कुम्भः ॥ कZ_०२.१९.३२ ॥
viṃśatidroṇikaḥ kumbhaḥ
1 ກຸມພະ (kumbha) ເທົ່າກັບ 20 ດຣໂຣນາ.
To make capacity legally testable and consistent across regions and manufacturers.