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#men #salt extraction #evaporated salt pans #ancient rome #ancient history #salt production #technology
#ancient rome #salt extraction #evaporated salt pans #ancient technology #roman empire #salt production #100 bc
#ancient rome #salt extraction #evaporated salt pans #ancient technology #ancient industry #roman empire #100 bc
#ancient rome #salt extraction #salt pans #ancient technology #ancient industry #ancient labor practices #100 bc