तपनीयमुज्ज्वाल्य रागत्रिभागं दद्यात्पीतरागं भवति ॥ कZ_०२.१३.५३ ॥
tapanīyam ujjvālya rāgatribhāgaṃ dadyāt pītarāgaṃ bhavati
将精炼金(tapanīya)烧炼后,应加入三份着色混合物(rāga);其即呈黄光泽(pītarāga)。
It constrains discretionary variation by artisans, making output predictable and enabling audits of material consumption.