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??? ??? ????? ??????? ?????? ???????? ??????? ?????? ?????? ?????:

(1) ??? ???: ???????????? ?????? ????? ???, ????? ????????? ?? ????? ??? ???? ?????? ????? ?????; ?? sign ? ??? ?????? ???????? ????, ????? ??????? ??????? ??? ??? ??, ???????? ????? ??? 2-8 ??.??. ???? ????? ???? ??? ??? ???? ????? 2-13 ?? ? ?? ?????. ?? ?????? ??? ???? ??????? ?????? ????? ???????? ????. ?: ???? ???? ??????? ??????? ??? ?????; ??: ????? ?????? ???? ?????; ??: ???? ????? ???? ????? ??? foot ? ??? ???????? ??. ????? ???????? ??? ??? ???? ????? ?? ??????? ??????????? ?? ?????.

(2) ??? ?????????? ??? ??????? ??? ??????? ?????: ????????? ???????? ???? ???????? ???????, 3 ??? ???????, ???? ???????, ???????? ??????? ???? ????? ??????? ????? ?????; ???? ????????????? 3M ??????? ?????? ????. ?? ?????? ??????? ??? ?, ?????? ?? ??? ??? ??????? ?????? ????? ???? ?????. ????? ???? ?????? ?????? ??. ??? ??? ????? ???, ??????? ????? ?????? ????? ?????????, ???? ??????? ????? ???? ?????? ?? ????? ????? ?? ?????????.

(3) ????? ?????? ???????: ??? ????????????????? ???? ?????? ??????? ?? ?????: ???? ??? ?????? ???? ?????? ??????, ??????? ??? ?? ??? ???? ???????? ???, ??????? ??????? ????? ????????.

(4) ???? ????? ?????? ?????: ??????? ???? ?????????? ???? ??? ?????? ?? ?????? ??? ????? ??????? ?????? ???? ???. ??? ?????? ??? ????? ?????????? ????? ?????? ?? ????? ????? ???????? ?? ?????????? ?????? ??, ???? ???? ??????????????? ???????? ?? ?????? ?????? ??????. ???, ?????????? ?????.

(5) ??? ??????? ???: ??????????? ?? ???? ??? ???. ??????? ??? ??????? ?????.

????? ????????? ?? ?????? ?? WEIHUA ??? ????? ???????? ????? ??? 20 ?? ???? ?????? ?????? ??? ??? ????? ?????, ?????????? ?????? ??? ??? ????? ?????, ?????? ?????? ??? ?????? ?????, ?? ??????? ???? ??? ????? ?????, ???????????? ??? ????? ?????, ??????? ???? ???????? ????????? ????? ?????? ??? ????? ????.

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