Qolka nadiifka ah wuxuu ku kala duwan yahay naqshadeynta socodka hawada iyadoo loo eegayo darajooyin kala duwan.Guud ahaan, waxa loo qaybin karaa qulqulka laminar toosan (Class1-100), socodka laminar-ka toosan (Class1-1,000), iyo qulqulka qulqulatada (Class1,000-100,000).Farqiga faahfaahsan waa sida soo socota: Habka socodka hawada Nadaafadda Guulayso...
Akhri wax dheeraad ah