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??????? ?? ???? ????? ?? 19.3 (20 ℃), ???? ??? ???? ???? ????. ??? ??????? ?????? ?????? ???? ?????? ?????? ?????, ??? ??????? ?????? ????? ??????? ?????? ????? ?? ?? ??????? ????, ?? DART ??????? ?????? ????? ?????? ???????, ????? DART ?????? ?????.

??? ??????? ?????? ????? ???????? DART ??? ???? ??? 65 ???????, 70 ??????? 75tungsten, ??? ??????? ?? DART ??????? ??????? ????? ??? ? 13.20 ~ 14.60g / cm3.

??? ??????? ?????? ????? ???????? DART ??? ???? ??? 80 ???????, ??????? 85, ??? ??????? ?? DART ??????? ?????? ????? ??? 15.40 ~ 16.00g / cm3 ??.

??? ??????? ??????? ????? ???????? DART ??? ???? ??? 90 ???????, ??????? 95, ??? ??????? ?? DART ??????? ?????? ????? ??? 16.9 ~ 18.00g / cm3 ??.

??? ??? ??????? ?????? ?????? ?? ??? 65 ??????? 95 ???????, ??????? ???? ?? ??? ??????? ???? ????? ???? ???? ?????? ????? ?? ?? ???????? :. ?????? ??? ???????, ??? ??????? ???? ?????? ??? ??????? ?????.

??? ??????? ???? ???????? ??? ??????? ??? ????? ??? about14 ~ 19 ???, ???? ??? ???? ???? ??? ??? ????. ????? ??? ???? ?? ???? ?? ?? ???? ?? ????? ???? ???? DART ????. ?????? ????? ?????? ????? ????? ???? ??? ??? ???? 20 ???. ????? ?????, ???? ??????? ???? 14 ???? ???.

??? ??????? ???? ?????? ???????? ????? ??? ???? ??? ? 20 ~ 25grams.The ??? ??? ???? ???? ??? ???? 20 ~ 25grams.People ???? ??? ???? ????? ??? ??????? 24g, ??? ??????? 25grams ??? ??????? 26G ?????.

??? ??? ??????? ???????? ????? ??? ????? ??? ???? 25grams. ??????? ??? Barneveld ???? 26 ???? ????, ??? ??? ??????? ?????? ??? ??????? 50gram.

????? ?????? ????? 21grams ???? ???????, 24grams ??? ???????, ??????? ??? 25grams, ??? ??????? 26grams ??? ?? ???? ???.