| − | Tall oil is the oily mixture of rosin acids, fatty acids, and other materials obtained by acid treatment of the alkaline liquors from the digesting (pulping) of pine wood. | + | Tall oil is the oily mixture of [[rosin acids]], [[fatty acids]], and other materials obtained by [[acid]] treatment of the [[alkaline]] [[liquors]] from the [[digesting]] (pulping) of [[pine wood]]. |