???? ?? ??? ?????? ?? ?????? ?????? ??????? ????? ??? ????? ? ????? ?????? ????? ?? ?? ???? yourselves. ??????? ????? ?? ????? ?? ??? ?????? ??? ?? ?? ??? ?????? ?? ??? ?????? ??? ?????. ?? ??? ?????? ????? ??? ??????? ?? ?????? ???? ???? ?? ??? ??? ????? ?????. ?????? ?? ??? ????? ??????? ????? ????? ??? ???? ???????? ?? ?? ??????? ??? ???? ?

?? ?????? generator ????? ???? ??????? ??? ???? ?? ????? ???? ? gas ???????? ?????. ?? ???? ?? ??? ????? ?? ????? ? ????? ??? ?? ????? ?? ?? ????? ?????? ???? ?? ??? ???? ???? ???? ????. ?????????? ???? typically reliable ? durable ?????? ??? higher maintenance costs ?????. ?? ?????? ?????????? ??? ??? cheaper ?????? ? less emissions ?????? ??? ???

?? ?????? generator ????? ???? ??????? ??? ???? ?? ????? ???? ? gas ???????? ?????. ?? ???? ?? ??? ????? ?? ????? ? ????? ??? ?? ????? ?? ?? ????? ????? ???? ???? ?? ??? considered. ?????????? ???? ?? ??? ??? ?????? ? durable ?????? ??? higher maintenance costs ?????. ?? ?????? ?????????? ??? ??? cheaper operate ? ???????? ????? ?????? ??? ???? ???