Field Symbol 3 [ASI 1977 Concordance (Mahadevan)]The text message on the inscription reads rebus: kanac 'corner' rebus: kancu 'bronze' sal 'splinter' rebus sal 'workshop' kolom 'three' rebus: kolimi 'smithy'.
See
Itihāsa. One-horned young bull of Indus Script read rebus as fine gold lapidary. Archaeological context of Toda Munda, Sumer mudhif, Vedic house https://tinyurl.com/y7luteyr
What does the spoked wheel on the neck of the young bull on FS 3 signify?
I suggest that it has the same significance as the four spoked wheels which appear on Dholavira signboard. See: Dholavira signboard on अर्कशाल'goldsmith workshop' and Mehrgarh spoked copper alloy wheel proclaim akṣaracaṇa 'scribe' the metallurgical competence of artisans to engrave on metal
The lapidary, goldsmith (signified by the young bull) is a scribe and has a goldsmith workshop: