Mphungu ya mitu iwiri

Mphungu ya mitu iwiri yatenga matanthauzo ambiri ndi mitundu yosiyanasiyana m'mbiri yake yonse, zomwe ziyenera kuyembekezera pamene chiwombankhanga chakale chokhala ndi mitu iwiri chinayamba cha m'ma 3000 BC. Koma kwa Masons, chiwombankhanga chokhala ndi mitu iwiri sichimangoimira chikhalidwe cha anthu ndi Masons ambiri, komanso chimaimira chitsitsimutso chauzimu nokha kupyolera mu mgwirizano wa otsutsana.