रजकाः काष्ठफलकश्लक्ष्णशिलासु वस्त्राणि नेनिज्युः ॥ कZ_०४.१.१४ ॥
rajakāḥ kāṣṭhaphalakaślakṣṇaśilāsu vastrāṇi nenijyuḥ
洗衣者应在木板或光滑石面上洗涤衣物(即仅限于经认可且不致损伤的表面)。
Technique: the state prescribes process standards to reduce damage and disputes in a common public service.