विचितवस्त्रहस्तगुह्याः काञ्चनपृषतत्वष्टृतपनीयकारवो ध्मायकचरकपांसुधावकाः प्रविशेयुर्निष्कसेयुश्च ॥ कZ_०२.१३.३३ ॥
vicitavastrahastaguhyāḥ kāñcanapṛṣatatvaṣṭṛtapanīyakāravo dhmāyakacarakapāṃsudhāvakāḥ praviśeyur niṣkaseyuś ca
金工—斑点のある金を扱う者、金細工師、タパナ(精製金)の製造者、炉の送風者、圧延・引き伸ばし作業者、粉塵の洗浄者—は、衣服・手・隠し場所を検査された後にのみ出入りすべきである。
To close loopholes: each role has a different opportunity to conceal gold (on the body, in tools, in dust), so regulation names them explicitly for enforcement.
Workplace access control plus mandatory searches at entry/exit in high-value manufacturing (e.g., bullion refineries, semiconductor fabs).