हरितालमनःशिलाहिङ्गुलुकचूर्णानामन्यतमेन कुरुविन्दचूर्णेन वा वस्त्रं सम्यूह्य यत्परिमृद्नन्ति तत्परिमर्दनम् ॥ कZ_०२.१४.४८ ॥
haritālamanaḥśilāhiṅgulukacūrṇānām anyatamena kuruvindacūrṇena vā vastraṃ samyūhya yat parimṛdnanti tat parimardanam
当他们用浸有雄黄(orpiment)、雌黄(realgar)、朱砂(cinnabar)或拘楼频陀粉(kuruvinda-powder)等粉末的布去摩擦器物,使其材料被磨耗掉时,这就叫作摩擦磨耗(parimardana)。
The state should regulate and audit access to abrasives/consumables used in finishing, since they enable covert material removal.