????

?????50-100???????
1.??????k??2-4????????
2.????????(??????)?????
3.?????????????????????????
4.???????????????????????
5.????????????????????
6.???????????????
7.????????????k??????????????????????????????????????????????????
?????????????????

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

?????????
?????
??

????

????
?????????????????```???```

,???????,??????,???.??. ? ???????????
????????
??????
??????
???????????????????????????????k??????
??????
?20-40?????
???? ? ???????g?????????
????????????????????????????