तपनीयमुज्ज्वाल्य रागत्रिभागं दद्यात्पीतरागं भवति ॥ कZ_०२.१३.५३ ॥
tapanīyam ujjvālya rāgatribhāgaṃ dadyāt pītarāgaṃ bhavati
Selepas membakar emas tulen (tapanīya), hendaklah ditambah tiga bahagian campuran pewarna (rāga); ia menjadi berkilau kekuningan (pītarāga).
It constrains discretionary variation by artisans, making output predictable and enabling audits of material consumption.