I guess this sort of thing: https://www.panmurehouse.org/media/0j0ljqdl/pin-factory.jpg (that is an approximate illustration of Adam Smith's pin factory.)
He goes on to advocate for large families full of peasants doing manual labor, praises the ministers of the church and state, and says that painters and bankers are unnecessary. https://archive.org/details/lgislationprim00bona/page/372/mo...