अगुरु जोङ्गकं कालं कालचित्रं मण्डलचित्रं वा ॥ कZ_०२.११.५७ ॥
aguru joṅgakaṃ kālaṃ kālacitraṃ maṇḍalacitraṃ vā
Kayu gaharu (aguru) terdiri daripada jenis berikut: joṅgaka; hitam (kāla); hitam berbintik/bercorak (kālacitra); atau bercorak cincin (maṇḍalacitra).
They allow officials to classify lots consistently by visible markers, supporting standardized pricing, taxation, and fraud detection.