Sida loo doorto xabagta batroolka ee C5 hydrogenated iyo resinka cad ee biyaha ee la bedelay ee warshadaha xabagta.
A.
B. Rosin-cadi-biyood oo la beddelay ayaa leh taako bilow ah oo wanaagsan iyo taabbo waarta
C. Rosin resin aad buu ugu fiican yahay deegaanka
D.
