?? ‘? ????’? ???. ????DB
???(??)? ??? ?? ‘? ????’? ???? ????.
??? OAL? 6? “??? ????????? ???? ????? ??? ???? ?? ??? ????? ??? ??”??? ???. ????? ???? ??? ???? ‘??? ? ????’? ???? ??? ‘??? ?? ??: ?? ??’? ???? ????.
‘? ????’? ??? ?? ? ????? ??? ??? ?????? PD? ????.