Sidee loo sameeyaa caag?
Caag waxaa laga sameeyaa saliida, gaaska dabiiciga ah iyo xitaa saliidaha dhirta inta lagu guda jiro sifeynta saliidahaas waxyaabo kale sida batroolka. Ethane iyo propane waxaa la soo saaraa marka lagu daaweeyo kuleylka inta lagu guda jiro howsha sifeynta ee loo yaqaano cracking. Tani waxay bedeshaa ethana iyo propane-ka iyagoo sameysan ethylene iyo propylene taasoo la isticmaalo walxaha kiimikada kale si loo abuuro polymers-ka taasoo salka u ah waxa caagagga laga sameeyo.