ततः परमूर्णासूत्रवेणुचर्मवर्मशस्त्रावरणकारवः शूद्राश्च पश्चिमां दिशमधिवसेयुः ॥ कZ_०२.४.१३ ॥
tataḥ param ūrṇāsūtraveṇucarmavarmashastrāvaraṇakāravaḥ śūdrāś ca paścimāṃ diśam adhivaseyuḥ
Thereafter, in the western direction should reside artisans working in wool, thread, bamboo, leather, armor, weapons, and protective coverings; and Śūdras.
Clustering increases productivity and standardization, simplifies procurement for the state, and allows tighter surveillance over sensitive military production.