Daaweynta nadiifinta iyo daaweynta biyaha wasakhda ah

Qaababkan ayaa leh faa'iidooyin iyo faa'iido darrooyin, halkaas oo kaarboonku si wax ku ool ah uga saari karo chronka iyo xayrta dawada biyaha wasakhda ah, iyo daraasadaha yar-yar, iyo daraasadaha yar-yar ee loo yaqaan 'Carbonst' oo ay u adeegsadaan kaarboon-haweedka si ay u daaweeyaan wasakhda biyaha.