यद्घनानां तीक्ष्णेनोल्लिखन्ति तदुल्लेखनम् ॥ कZ_०२.१४.४७ ॥
yad ghanānāṃ tīkṣṇenollikhanti tad ullekhanam
Bila mereka mengerik barang yang padat dengan alat tajam untuk menghilangkan bahan, itu disebut ullekhana (scraping).
Scraping can be hidden as routine finishing/engraving while steadily reducing weight or thickness without obvious breakage.