salam. kharpatun kheily jaleb bud. ma hm mikhastim ye kharpa besazim, albate baraye khodmoon. mikhastam bedunam mishe ye axe dorost o daghigh ya naghshe haye kharpa tun ro baramun befrestid.ya hade aghal sity ro moarefi konid ke in detailha ro bede. ma daneshjooye mohandesi nistim.vase hamin ham niaz be yek tarhe avalie darim ta ba tahlile un betunim ye idei bezanim.
