Learners implementing to large colleges or vocational instruction systems in English-speaking nations around the world could ought to acquire this examination.??????? ???? ? ??? ?? ??? ????? ????? ?? ??? ??? ???? ???? ? ?? ?? ????? ???? ?? ? ??? ????? ?? ??? ??? ??, ? ?? ?? ???, ?? ??, ?? ?? ? ?? ???? ???? ?? ?? ???? ??? ? ????? ?? ??? ?? · ???? ?