ताम्रं पीतकं करोति ॥ कZ_०२.१३.५२ ॥
tāmraṃ pītakaṃ karoti
(此处理)使铜(tāmra)呈淡黄色(pītaka)。
Because yellowed copper can imitate gold; knowing the technique helps officials detect fraud and regulate artisans and traders.