द्विवितस्तिररत्निः प्राजापत्यो हस्तः ॥ कZ_०२.२०.१२ ॥
dvivitastiraratniḥ prājāpatyo hastaḥ
Zwei vitasti ergeben einen aratni; dies ist der prājāpatya hasta (das standardisierte «Elle/Hand»-Maß).
It enables predictable scaling from small to large measurements, preventing manipulation in bills of quantity and labor/output reporting.