Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Treatment is most often used to mean a process of modifying or altering something, and depending on context may be used in an unqualified form to refer to any of the following: * A type of therapy used to remedy a health problem; * Experimental treatment, the levels of treatment factor(s) (variables controlled by the experimenter) applied; * Water treatment; * Sewage treatment; * Surface treatment or surface finishing, processes used to improve the surface of a manufactured item; * National treatment, economic term for the principle that foreigners and domestic nationals are treated equally.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.