विंशतिर्माणवकः ॥ कZ_०२.११.१४ ॥
viṃśatir māṇavakaḥ
Двадцать (составляют) «Манаваку» (Māṇavaka).
As a convenient issue/return unit for sub-units or work teams, enabling quick counts during dispatch, receipt, and periodic verification.