??? ?? ??? ????? ????????? ????? ????? ??????? ???? ??????? ???? ????????.????? ????? ????? ?????? ?????????? ???????? ???? ????? ??? ?? ??? ??????? ???????? ??? ??????? ????????? ?????? ???????? ??????.A result of the sophisticated character of electronics principle, laboratory experimentation is a crucial Component of the development of electroni