۲-۱-۱۳۹۵, ۰۰:۲۴:۵۶
ba salam va khase nabashid.moshkeli ke bara bande pish omade ba tavajoh be farmude ostad dar video amozeshi drafting va inke dar video ostad farmodan bara emtehan va porojeh drill bayad( name )be bill of material ezafe shavad vali moshkeli ke bevojod omad (name) az kaghaze entekhabi ke a4 mibashad biron mizaneh.mikhastam bedonam bara in moshkel che bayad kard