सीसान्वयेन भिद्यमानं शुष्कपटलैर्ध्मापयेत् ॥ कZ_०२.१३.०७ ॥
sīsānvayena bhidyamānaṃ śuṣkapaṭalair dhmāpayet
If it cracks due to admixture/association with lead, it should be blown/heated with dry coverings (dry layers) to restore proper working.
A state workshop needs not only standards but also prescribed corrective actions to minimize wastage and ensure consistent output.