????????? ????????? - ???? ??????? ?????? ????????? ??????? ??????????? ????????????? ???????, ?????? ????????? ????? ??????: ????????? ???? ?????? ???, ???????? ????????? ???????, ????????? ????????? ?????? ??????? ??? ???????? ???? ??????? ????????????? ????????????? ????? ??????, ???? ?????????, ??? ?????, ??????? ??? ?????? ????????? ?????? ????????? ?????????????, ???????? ???? ????????

?????? ?????? ????? ?????????????? ????????? ???????????????? ?????? ?????? ????:

?????? ????? ????? ???? ??? ?????? ???? ???????? ????? ???? ?????? ???? necessary ??? ???????? ?? ??? ??? ??????? ??????????????? ???? ??????? ?????? ???? ??? ????? ?????;

1. ????? ??? ????? ????????

2. ??????? ???? ????

?. ??????? ????? ??? ???????? ??????????? ????????? ???????? ????

4. ??????? ??? ??? ?????????? ???? ???????? ????

?. ???????? ???? ??????????? ???? ???? Choose

6. ??????? ???????????? ??????????? ?????????

?????????: ??????? ??????????? ??? ??????? ??????????? ???????? ???? ????, ???????? ?????????? ??????? ??? ????, ???????? ??????? ????? ???????;