Muxammad Cawdah

Wax ka barashada noocyada kala duwan ee dagaalladu waa tallaabo garaad sare ku lammaanyahay, dunidana hadda waxa soo foodsaaray dagaal saddexaad oo caalami ah, ama dagaal qabaw oo labaad amaba dagaal nukliyeer oo kii koowaad noqon doona.