I sii tusaalooyin dhowr ah.
Keliya waa marka hal ama laba xaraf ee ugu horeeya ereyga lagu beddelo erey kale si loo abuuro labo erey oo cusub oo macne kale leh. Tusaalooyinka qaarkood waxaa ka mid ah "barafka la kariyey", "telefoonka bakaylaha" ama "geedka dhirta".