51吃瓜

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

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

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

????? ?? ???? ?????? ??????? ?? faktor ??? ??? ?? ????? ???? ? ????? ?????? ??? ???? ???. ?????? ?????? ?????? ????? ?? ????? ?????? ? ???? ?????? ?? ???? ???? ?????? ?????? ? ???? ?????? ?? ???? ???. ???????? ?????? ?? ?????? ?????? ? ??????? ???????? ? ?????? ?? ?? ???? ??? ? ??????? ?????? ??? ?????.

??? ?? Z? ????? ?????? ?? faktor ???? ???? ??? ?? ????? ???? ? ????? ?????? ??? ???? ???. Operators need to have a certain level of technical skills and experience, be proficient in operating techniques, comply with operating procedures, and pay attention to safe operations. ?? ???? ????? ? ?????? ??? ?????? ? ????? ?????? ??????? ????????? ????? ???? ????.

?? general, ???? ????? ???? ?????? ??? ???? ? ???? ???????? ???? ??? ?? ?? ??? ???? ?????????? ????? ??? ?????? ????? ?????? ????????? ?????? ??????? ? ???????? ?????? ?? ?? ??? ?????? ? ?? ????? ???? ? ????? ?? ???? ????? ????????? ?????? ??? ? ????? ????.