Beasarosefatistkeensankasbmikone.Zatinist, yanibaensan be donyanemiad, tahtetasireavamelebirunivadaruniyevabatalashhaselmishe.Mesleyekheyvannistimmasalangorgkesefategorgiraazkhodeshdarharsharayetiboruzmidahad. Ensanhakhosusiatemokhtalefidarandva in khodneshandahandeye in astkeanharabaavamelemokhtalefkasbkardan.
Zatinist, yanibaensan be donyanemiad, tahtetasireavamelebiruni (khanevade ,madrese…)vadaruniyevabaekhtiarvatalashhaselmishe.
Sarcheshmeyetalashe ma barayekasbe in sefathavahadafhamunchegunegifekrvaaghidamunekebaesetalashoharekatmishe.
Shenakhteenaniat:majmueyeshenakht ha vabardashthayeafradazhastivaeetebatbahastiaghideratashkilmidahad.Barayeshenakhteensaniat be soalhaeidarmoredehasti, keifiatehasti, darmoredehastiyekhodemankeazkojasva be suyekojasvabarayechistvarabeteye ma bahastivainkevazifeye ma darhastichist bar mikhorim.
Varedshodan be kelasikeaslannemidanimhadafazkelaschist, chemikhahand, chemikonanadva…. Baghiyetahghighmikonand be hadafeshanmiresandvarazikelasratarkmkonandbaad ma miporsimaslankelaseche bud, chekardid, chenatijei dad va …