Available online at www.sciencedirect.com
ScienceDirect Procedia CIRP 48 (2016) 40 – 44
UG&,53&RQIHUHQFHRQ/LIH&\FOH(QJLQHHULQJ
3URGXFWXSJUDGDELOLW\IRUVDWLVI\LQJIXWXUHSHUIRUPDQFH ORZSULFHDQGHQYLURQPHQWDOORDGVDQGPDQXIDFWXUHUSURILWDELOLW\ WKURXJKRXWWKHSURGXFWOLIHF\FOH 0DVDWR,QRXHD 6KXKR
a
Meiji University, Department of Mechanical Engineering Informatics, 1-1-1 Higashi-Mita, Tama-ku, Kawasaki, Kanagawa 214-8571, Japan b The University of Electro-Communications, Department of Informatics, 1-5-1 Chofugaoka, Chofu-shi, Tokyo 182-8585, Japan c University of Wuppertal, Chair of Safety Engineering and Risk Management, Gaußstraße 20, Wuppertal, 42119, Germany
&RUUHVSRQGLQJDXWKRU7HOID[E-mail address:PBLQRXH#PHLMLDFMS
$EVWUDFW 'HVLJQXSJUDGDELOLW\DLPVWRUHSODFHRQO\WKRVHFRPSRQHQWVWKDWGHYDOXHWKHSURGXFWRYHUWLPH7KHUHIRUHLWHQKDQFHVSURGXFWYDOXHDQGDYRLGV ZKROHSURGXFWUHSODFHPHQWWKHUHE\UHDOL]LQJDVXVWDLQDEOHVRFLHW\7KLVSDSHUSURSRVHVDPHWKRGIRUXSJUDGDELOLW\GHVLJQWKDWPHHWVWKHUHTXLUHG IXWXUHSURGXFWSHUIRUPDQFHFULWHULDDQGHQKDQFHVWKHLUIXQFWLRQV7KLVLVGRQHZKLOHORZHULQJWKHSULFHDQGHQYLURQPHQWDOORDGDQGLQFUHDVLQJ WKHSURILWDELOLW\IRUPDQXIDFWXUHUVWKURXJKRXWWKHSURGXFWOLIHF\FOH 7KH$XWKRUV3XEOLVKHGE\(OVHYLHU%9 © 2016 The Authors. Published by Elsevier B.V This is an open access article under the CC BY-NC-ND license 3HHUUHYLHZXQGHUUHVSRQVLELOLW\RIWKHVFLHQWLILFFRPPLWWHHRIWKHVFLHQWLILFFRPPLWWHHRIWKHUG&,53&RQIHUHQFHRQ/LIH&\FOH (http://creativecommons.org/licenses/by-nc-nd/4.0/). (QJLQHHULQJ Peer-review under responsibility of the scientific committee of the 23rd CIRP Conference on Life Cycle Engineering Keywords:6XVWDLQDELOLW\SURGXFWOLIHF\FOHXSJUDGDELOLW\&2VDYLQJVFRVWUHGXFWLRQSURILWDELOLW\IRUPDQXIDFWXUHU
,QWURGXFWLRQ &ORVHGORRS VXSSO\ FKDLQV RI SURGXFWV FDQ PLWLJDWH HQYLURQPHQWDO SUREOHPV VXFK DV QDWXUDOUHVRXUFH GHSOHWLRQ XVHGSURGXFW GLVSRVDO DQG &2 HPLVVLRQV 6XFK PLWLJDWLRQ ZKLFKLVHVVHQWLDOIRUDVXVWDLQDEOHVRFLHW\>@FDQEHDFKLHYHG E\ SURPRWLQJ WKH WKUHH 5V²UHGXFH UHXVH DQG UHF\FOH²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
2212-8271 © 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer-review under responsibility of the scientific committee of the 23rd CIRP Conference on Life Cycle Engineering doi:10.1016/j.procir.2016.03.015
41
Masato Inoue et al. / Procedia CIRP 48 (2016) 40 – 44
8SJUDGHDEOHSURGXFWGHVLJQPHWKRG
:KHQ WKH REMHFWLYH LV WR UHGXFH WKH HQYLURQPHQWDO ORDG WKH WDUJHWSURGXFWGHPDQGVDORZUHF\FOLQJRUUHXVHUDWH:KHQWKH REMHFWLYH LV WR LPSURYH WKH SURGXFW UHOLDELOLW\ WKH WDUJHW SURGXFWVZLOOUHTXLUHSHULRGLFPDLQWHQDQFH (VWLPDWLRQRIXSJUDGHWLPH 7RGHILQHWKHXSJUDGHWLPHZHPXVWHVWLPDWHWKHFXVWRPHUV¶ SURGXFW UHSODFHPHQW WLPH ,QGLYLGXDO XVHUV ZLOO UHSODFH D SURGXFW ZKHQ WKH\ UHFRJQL]H WKDW LWV YDOXH KDV GHWHULRUDWHG +RZHYHUWKHUHSODFHPHQWWLPHRIFRUSRUDWHXVHUVLVWKHOHJDO GXUDEOH\HDUV3DUWLFXODUO\WKHUHSODFHPHQWWLPHRIOHDVHGRU UHQWHGSURGXFWVLVHDVLO\GHWHUPLQHG7KHUHSODFHPHQWWLPHFDQ DOVREHGHILQHGE\WKHFRPSRQHQWV¶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
2.1. Overview 8SJUDGHDEOH SURGXFW GHVLJQ SUHGLFWV WKH UHTXLUHG IXWXUH IXQFWLRQV DQG GHVLJQV WKH SURGXFW IRU FRPSDWLELOLW\ ZLWK WKH DQWLFLSDWHG IXWXUH XSJUDGHV %HFDXVH IXWXUH UHTXLUHPHQW SUHGLFWLRQV DUH LQKHUHQWO\ XQFHUWDLQ WKLV XQFHUWDLQW\ PXVW EH FRQVLGHUHGLQWKHGHVLJQ6KLPRPXUDHWDO¶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rocedure of the proposed method )LJXUH LV D FDXVHDQGHIIHFW GLDJUDP RI WKH SURSRVHG PHWKRGRORJ\ 7KLV VXEVHFWLRQ GHVFULEHV HDFK SURFHVV RI WKH SURSRVHGPHWKRGDQGLWVVLJQLILFDQWFDXVHV 'HFLVLRQRIWDUJHWSURGXFW 7KH WDUJHW SURGXFW¶V GHFLVLRQ GHSHQGV RQ WKH DSSOLFDWLRQ REMHFWLYHVRIWKHXSJUDGHDEOHSURGXFWGHVLJQPHWKRG:KHQWKH REMHFWLYH LV WR LPSURYH RU H[WHQG WKH IXQFWLRQ WKH WDUJHW SURGXFWV VKRXOG LQFOXGH GUDPDWLF DGYDQFHV LQ WHFKQLFDO LQQRYDWLRQV:KHQWKHREMHFWLYHLVWRLPSURYHWKHIRUWXQHVRID VWUXJJOLQJ EXVLQHVV RU WR JURZ FRUSRUDWH HDUQLQJV WKH WDUJHW SURGXFWV DUH WKH SURGXFWV RI XQGHUSHUIRUPLQJ EXVLQHVVHV 'HFLVLRQRIWDUJHWSURGXFW
'HFLVLRQRIXSJUDGHDEOHIXQFWLRQ
3URGXFWRIXQGHUSHUIRUPLQJ RSHUDWLRQ /RZGXUDEOH OLIHSURGXFW 7HFKQRORJLFDO LQQRYDWLYH SURGXFW
(VWLPDWLRQRIDGYHUVHHIIHFW
,QSXW±RXWSXWUHODWLRQRI XSJUDGHDEOHFRPSRQHQW
7HFKQRORJLFDOLQQRYDWLRQ
8SJUDGHWLPH
+DUGZDUH
/HJDOFRPSOLDQFH
3UHYLRXV SHUIRUPDQFHYDOXH
(TXDWLRQ
+RZWRPDQDJH
8VHUGLYHUVLW\ +LJKHQYLURQPHQWDO ORDGSURGXFW 3ULRULW\RI QHHGV
6HWWLQJUHTXLUHPHQWV
3URGXFWLRQYROXPH
6RIWZDUH ,QYHVWLJDWLRQRI FXVWRPHUQHHGV
8SJUDGHPHWKRG 8SJUDGHDEOH SURGXFW 5HODWLRQVKLSZLWK DGYHUVHHIIHFW
5HODWLRQVKLSZLWK XSJUDGHDEOHIXQFWLRQ /HJDOGXUDEOH\HDUV
5HODWLRQVKLSZLWK XSJUDGHDEOHIXQFWLRQ
2XWVRXUFLQJRULQVRXUFLQJ
&RPSRQHQWOLIH
$GPLQLVWUDWLYHVWUDWHJ\
+DUGZDUH
+DUGZDUH
6RIWZDUH (VWLPDWLRQRIXSJUDGHWLPH
5HODWLRQVKLSZLWK XSJUDGHDEOHFRPSRQHQW
'XUDEOHOLIH
'HILQLWLRQRIXSJUDGHDEOHFRPSRQHQW
6RIWZDUH 'HILQLWLRQRIXSJUDGHDVVLVWFRPSRQHQW
)LJ(DFKSURFHVVRIWKHSURSRVHGPHWKRGDQGLWVVLJQLILFDQWFDXVHV
42
Masato Inoue et al. / Procedia CIRP 48 (2016) 40 – 44
:KHQ WKH XSJUDGH REMHFWLYH LV WR LPSURYH SURGXFW UHOLDELOLW\WKHXSJUDGHDEOHFRPSRQHQWLVWKHFRPSRQHQWZLWK DVKRUWGXUDEOHOLIH 7KH XSJUDGHDEOH FRPSRQHQWV LQFOXGH ERWK KDUGZDUH DQG VRIWZDUH ,PSRUWDQW GHVLJQ FRQVLGHUDWLRQV RI XSJUDGHDEOH KDUGZDUH FRPSRQHQWV DUH WKH JHRPHWULF UHVWUDLQW FRQGLWLRQV DPRQJ WKH FRPSRQHQWV WKH SURGXFWV¶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
)LJ'HWHUPLQDWLRQSURFHVVRIDQDGYHUVHHIIHFW
'HILQLWLRQRIXSJUDGHDVVLVWFRPSRQHQW 7KH XSJUDGH DVVLVW FRPSRQHQW GHQRWHV WKH SURGXFW FRPSRQHQW WKDW GHFUHDVHV RU QHJDWHV WKH DGYHUVH HIIHFW LQFOXGLQJ LWV RYHUVSHFLILFDWLRQV )RU H[DPSOH WKH LQFUHDVHG KHDW UHVLVWDQFH WHPSHUDWXUH LQ D ODSWRS FRPSXWHU FDQ EH DOOHYLDWHGE\LQVWDOOLQJDODUJHUKHDWVLQNVHH)LJ 7KHODUJHU KHDWVLQNLVGHILQHGDVDQXSJUDGHDVVLVWFRPSRQHQW%HFDXVH RYHUVSHFLILFDWLRQV FDQ LQFUHDVH WKH SURGXFWLRQ FRVW DQG HQYLURQPHQWDOORDGWKHGHVLJQHUPXVWDSSURSULDWHO\GHWHUPLQH WKHRYHUVSHFLILFDWLRQVDGGHGWRWKHXSJUDGHDVVLVWFRPSRQHQW 6HWWLQJUHTXLUHPHQWV 7KHSHUIRUPDQFHUHTXLUHPHQWVPXVWEHGHILQHGLQWKHILUVW JHQHUDWLRQ RI WKH SURGXFW DQG WKH IXWXUH SHUIRUPDQFH UHTXLUHPHQWVPXVWEHSUHGLFWHGDIWHUWKHVHFRQGJHQHUDWLRQ7R DFFRPPRGDWHWKHLQKHUHQWXQFHUWDLQW\LQIXWXUHSUHGLFWLRQWKH UHTXLUHG SHUIRUPDQFH DQG GHVLJQ YDULDEOHV DUH GHILQHG DV UDQJHV ,Q WKHSURSRVHG PHWKRG WKH UDQJHG GHVLJQVROXWLRQV DUHREWDLQHGE\DVHWEDVHGGHVLJQPHWKRG>@7KHUDQJHVRI WKHHVWLPDWHGSHUIRUPDQFHDQGGHVLJQYDULDEOHVDUHEDVHGRQ
WKH WHPSRUDO SHUIRUPDQFH VKLIWV RI SUHYLRXV RU VLPLODU SURGXFWVDVVKRZQLQ)LJ
)LJ7HPSRUDOFKDQJHVLQSURGXFWSHUIRUPDQFH
&DVHVWXG\'HVLJQRIDODSWRSFRPSXWHU 3.1. Design problem 7KLVVHFWLRQDSSOLHVWKHSURSRVHGPHWKRGWRWKHGHVLJQRID ODSWRSFRPSXWHU7KHGHVLJQFRQGLWLRQVRIWKLVDSSOLFDWLRQDUH VXPPDUL]HG LQ 7DEOH 2Q WKH EDVLV RI FXVWRPHUV¶ UHTXLUHPHQWVRIWKHODSWRSFRPSXWHUWKHXSJUDGHDEOHIXQFWLRQV DQG FRPSRQHQWV DGYHUVH HIIHFWV DQG XSJUDGH DVVLVW FRPSRQHQWVDUHGHWHUPLQHGE\$+3DQG4)')LJXUHVKRZV WKH4)'PDWUL[EHWZHHQWKHSURGXFWIXQFWLRQVDQGXQLWV,QWKLV DSSOLFDWLRQWKH&38RQWKHPRWKHUERDUGWKHKLJKHVWSULRULW\ XQLW LVFRQILJXUHGDVDQXSJUDGHDEOHFRPSRQHQW7KHXSJUDGH DVVLVW FRPSRQHQW LV WKH KHDWVLQN ZKLFK FRXQWHUDFWV WKH LQFUHDVHG KHDW UHMHFWLRQ WHPSHUDWXUH RI WKH XSJUDGHDEOH FRPSRQHQWLHWKH&38 7KHKHDWVLQNDGGHGWRWKHODSWRS FRPSXWHULQWKHILUVWJHQHUDWLRQLVRYHUVSHFLILHGWRGLIIXVHWKH SRWHQWLDOO\ LQFUHDVHG KHDW UHMHFWLRQ WHPSHUDWXUH IURP WKH XSJUDGHG &38 7KHUHIRUH WKH KHDW VLQN FDQ EH XVHG LQ DQ\ JHQHUDWLRQ7KHSURGXFWLRQFRVWDQGHQYLURQPHQWDOORDGRIWKH XSJUDGHDEOH FRPSRQHQW DUH DVVXPHG WR LQFUHDVH DIWHU WKH VHFRQGJHQHUDWLRQ'HVSLWHWKHVHLQFUHDVHVWKHUDQJHGGHVLJQ VROXWLRQ DFKLHYHV ORZ HQYLURQPHQWDO ORDG DQG SURGXFW SULFH DQG HQVXUHV KLJK SURILWDELOLW\ 7KLV VWXG\ DVVXPHV WKDW WKH QRWHERRNVL]HG ODSWRS KDV VXIILFLHQW VSDFH WR LQVWDOO WKH RYHUHQJLQHHUHGKHDWVLQN 7DEOH'HVLJQFRQGLWLRQVRIDODSWRSFRPSXWHU 8SJUDGHUDWH&RQVWDQW
)URPWR
8QLW6DOHVVWJHQHUDWLRQ
8SJUDGHWLPH
:LWKLQWR\HDUVODWHU
(YDOXDWLRQSHULRG
\HDUV
8SJUDGHDEOHIXQFWLRQ
3URFHVVLQJVSHHG&38JUDGH
8SJUDGHDEOHFRPSRQHQW
0RWKHUERDUG
$GYHUVHHIIHFWV
&38WHPSHUDWXUHLQFUHDVH
8SJUDGHDVVLVWFRPSRQHQW
+HDWVLQN
Masato Inoue et al. / Procedia CIRP 48 (2016) 40 – 44
43
SURGXFWWKHSURGXFWLRQFRVWRIWKHXSJUDGHDEOHFRPSRQHQWLV HVWLPDWHG DV D UDQJH WR DFFRPPRGDWH WKH ULVLQJ FRVW RI UDZ PDWHULDOVDQGH[FKDQJHUDWHLQVWDELOLW\ 3.3. Results and discussion
)LJ4)'PDWUL[EHWZHHQSURGXFWIXQFWLRQVDQGXQLWV
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±RIFXVWRPHUVZLOOXSJUDGHWKHLURZQ ODSWRS FRPSXWHU 7KH XQLW VDOHV LQ WKH ILUVW JHQHUDWLRQ DUH )URPWKHDERYHFRQVLGHUDWLRQVWKLVDSSOLFDWLRQREWDLQVWKH UDQJHV RI XSJUDGH WLPH DQG SURILW UDWH RI WKH XSJUDGHDEOH FRPSRQHQWWKDWFDQUHDOL]HORZSULFHORZHQYLURQPHQWDOORDG DQGKLJKSURILWDELOLW\RIWKHSURGXFWXQGHUDQ±XSJUDGH UDWH
)LJXUHV DQG VKRZ WKH UDQJHG GHVLJQ VROXWLRQV RI SURGXFWSULFHSURILWDQG&2HPLVVLRQVUHVSHFWLYHO\REWDLQHG LQWKHHYDOXDWLRQ$VVKRZQLQ)LJWKHWRWDOSURGXFWSULFHRI WKHXSJUDGHDEOHSURGXFWLVíWRíORZHUWKDQWKDW RI WKH XVXDO SURGXFW 0RUHRYHU WKH WRWDO SURILW RI WKH XSJUDGHDEOHSURGXFWLVWRKLJKHU)LJ DQGWKH DPRXQWRI&2HPLVVLRQLVíWRíORZHU)LJ WKDQ IRU WKH XVXDO SURGXFW &RQVHTXHQWO\ WKH XSJUDGHDEOH SURGXFWFRQFXUUHQWO\HQKDQFHVWKHSURGXFWIXQFWLRQPRUHWKDQ RQFH UHGXFHV WKH SURGXFW SULFH DQG HQYLURQPHQWDO ORDG DQG SURILWVWKHPDQXIDFWXUHU
)LJ6ROXWLRQUDQJHVRISURGXFWSULFH
3.2. Evaluation of environmental load and cost ,QWKLVDSSOLFDWLRQWKHHQYLURQPHQWDOORDGLVWKHDPRXQWRI &2 HPLWWHG WKURXJKRXW WKH SURGXFW¶V OLIHF\FOH )LUVW ZH GLVDVVHPEOHG D UHDO ODSWRS FRPSXWHU DQG LQYHVWLJDWHG LWV FRPSRVLWLRQDOPDWHULDOVDQGZHLJKW7RFDOFXODWH&2HPLVVLRQ DPRXQW ZH PXOWLSOLHG WKH FRPSRQHQW VL]H FDSDFLW\ DQG ZHLJKWE\WKHEDVLFXQLWRI&2HPLVVLRQ>@RYHUDOOVWDJHVRI WKHSURGXFW¶VOLIHF\FOHLQFOXGLQJWKHPDQXIDFWXULQJPDWHULDO H[WUDFWLRQDQGIDEULFDWLRQFRPSRQHQWSURGXFWLRQDQGSURGXFW DVVHPEO\ VWDJHV XVDJH WUDQVSRUWDWLRQ DQG GLVSRVDO VWDJHV 7KH &2 HPLVVLRQV DUH DVVXPHG QRW WR FKDQJH EHWZHHQ WKH ILUVW DQG VHFRQGJHQHUDWLRQ XVXDO SURGXFWV &RQWUDULO\ EHFDXVHWKHIXWXUHLQIRUPDWLRQLVXQFHUWDLQWKH&2HPLVVLRQV RI WKH XSJUDGHDEOH FRPSRQHQW DW WKH SURGXFW PDQXIDFWXULQJ DQGWUDQVSRUWDWLRQVWDJHVDUHHVWLPDWHGDVUDQJHV 7KH SURGXFW SULFH LQ WKLV DSSOLFDWLRQ LQFOXGHV D PDQXIDFWXUHU¶VSURILWRI)XUWKHUPRUHWKHSURGXFWSULFH DQG SURILW DUH DVVXPHG LGHQWLFDO LQ WKH ILUVW DQG VHFRQG JHQHUDWLRQ XVXDO SURGXFWV &RQYHUVHO\ LQ WKH XSJUDGHDEOH
)LJ6ROXWLRQUDQJHVRISURILW
44
Masato Inoue et al. / Procedia CIRP 48 (2016) 40 – 44
$FNQRZOHGJHPHQWV 7KLV ZRUN ZDV SDUWLDOO\ VXSSRUWHG E\ -636 .$.(1+, *UDQW1XPEHU 5HIHUHQFHV
)LJ6ROXWLRQUDQJHVRI&2HPLVVLRQ
&RQFOXVLRQV 7KLV SDSHU GLVFXVVHG WKH VLJQLILFDQFH RI SURGXFW XSJUDGDELOLW\ DQG SURSRVHG DQ XSJUDGHDEOH SURGXFW GHVLJQ PHWKRG WKDW HQVXUHV IXWXUH SHUIRUPDQFH ZLWK ORZ SULFH DQG HQYLURQPHQWDO ORDGLQJ ZKLOH SURILWLQJ WKH PDQXIDFWXUHU WKURXJKRXWWKHRYHUDOOSURGXFWOLIHF\FOH7KHSURSRVHGPHWKRG DOORZV IRU XQFHUWDLQ GHVLJQ LQIRUPDWLRQ VXFK DV IXWXUH IXQFWLRQDOLWLHVDQGSHUIRUPDQFHDQGWKHSURFXUHPHQWFRVWRI XSJUDGHDEOH FRPSRQHQWV 7R DFFRPPRGDWH WKLV XQFHUWDLQW\ WKH PHWKRG RXWSXWV UDQJHV RI YDOXHV $SSOLHG WR WKH GHVLJQ SUREOHP RI D ODSWRS FRPSXWHU WKH SURSRVHG PHWKRG ZDV YDOLGDWHG E\ FRPSDULQJ WKH VROXWLRQ UDQJHV RI WKH XSJUDGH SURGXFWZLWKWKRVHRIWKHXVXDOSURGXFW,QWKLVHYDOXDWLRQZH FRPSDUHG WKH SURGXFW SULFH WKH SURILW JDLQV DQG &2 HPLVVLRQV 8SJUDGHDEOH SURGXFW GHVLJQ LV LPSRUWDQW IRU UHDOL]LQJDVXVWDLQDEOHVRFLHW\DQGFDQSRWHQWLDOO\LPSURYHDQ XQGHUSHUIRUPLQJ RSHUDWLRQ RU D SURGXFW¶V HDUQLQJV IURP DQ HFRQRPLFDOYLHZSRLQW 7KLV VWXG\ IRFXVHG RQ HQKDQFLQJ PDQXIDFWXUHUV¶ SURILWDELOLW\ ZLWKRXW FRQVLGHULQJ WKH SURILWV RI PDWHULDO SURGXFWLRQ FRPSDQLHV DQG SDUW VXSSOLHUV )XWXUH ZRUNV ZLOO IRFXV RQ WKH UHOLDELOLW\ UREXVWQHVV DQG SURGXFWLRQ SODQV RI XSJUDGHGSURGXFWV
>@3RFKDPSDOO\..1XNDOD6*XSWD60Strategic planning models for reverse and closed-loop supply chains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oncurrent Eng Res A S >@ +LUD\DPD < 0DWVXQR < +RQGD + $SSOLFDWLRQ RI DQDO\WLF KLHUDUFK\SURFHVVWRDQDO\VLVRIFRQVXPHUV GHFLVLRQPDNLQJLQ-DSDQHVH Environ Sci S >@*UHHQ3(6ULQLYDVDQ9&RQMRLQWDQDO\VLVLQFRQVXPHUUHVHDUFK LVVXHVDQGRXWORRNJ Consum ResS >@.RED\DVKL+Product lifecycle planning: a practice for ISO/TR14062LQ -DSDQHVH 2KPVKD >@0LQLVWU\RI(FRQRP\7UDGHDQG,QGXVWU\&RPPRQGDWDEDVHRIEDVLFXQLW RI&2HPLVVLRQLQWKHSURMHFWRIFDUERQIRRWSULQWSURGXFWVLQ-DSDQHVH DYDLODEOH IURP KWWSZZZFPVFIS MDSDQMSFDOFXODWHYHULI\SGI&2NDQVDQU\RBGEBYHUBMSBSGI ! DFFHVVHGRQVW-DQXDU\