salam namikham na omided konam reshte keshtisazi nist balke mohandesi keshtie va belkol ba keshtisazi fargh dare va sharayet kari sakhti dare va mard mikhad az pasesh bar biad karesh rahat nist shayad dars khondanesh asoon bashe va be gamoonam nezamie ke dige khili bad tare hamishe mesle yak...