???? ???? ??? ??? ???? ??? ????? ?-????. ??? ????? ? ??? ???. ???? ???? ???? ???? ???????? ???? ???? UV , {???? ?? ???? ??????? ??????. ????? ???? ??? {???? ????? ??? ?? ???? . ????? {????? ????? ??? | ???? ???? ??? ??? . ???? ???? ???? ????? ????? ??????? ????? ?????? ???? ???? ??????