hydraulic breaker parts chisel excavator blunt wedge diamond point jack hamore moil rock hydraulic breaker chise
Tse latelang ke karolo easesebelisoa sa chiselmefuta eo re ka e fang bareki ba rona:
| Lebitso la Brand | Re ka fanasesebelisoa sa chiselbakeng sa lihamore tse latelang tsa excavator hydraulic. Haeba e se seo u se hlokang, re bolelle mofuta oa hau oa hydraulic rock breaker modle. |
| Allied Hydraulic Breaker / Hydraulic Hammer | HY-RAM77,HY-RAM88,HY-RAM700,HY-RAM710/711,HY-RAM711B,HY-RAM715, HY-RAM725,HY-RAM730, HY-RAM735,HY-RAM740,HY-RAM745,HY-RAM750, HY-RAM750B,HY-RAM755,HY-RAM770B, HY-RAM775CS,HY-RAM785,HY-RAM795CS, HY-RAM797,HY-RAM800/805,HY-RAM905,AR70B,AR75B,AR85, AR95,AR120 |
| Arrowhead Hydraulic Breaker/Hydraulic Hammer | 2T,4T,10T,S10,S20,S30 MK1(ka molala), S30 MK3(ntle le molala),S40,S50,S60, S100,S130,S180,S230 |
| Hydraulic Breaker: | MB500, MB700, MB800, MB1000, MB1200,MB1500 MB1600, MB1700,HB2000,HB2200,HB3000,HB3100, HB4200,HB5800,HB7000,PB110, PB160, PB210, PB310, PB420, PB530,SB50, SB52, SB100, SB100MK2, SB102, SB110, SB150, SB150MK2, SB152, SB200, SB202, SB300, SB302, SB450, SB552,SBC60, SBC115, SBC255, SBC410, SBC610, SB650, SBC800, SBC850,TEX30H, TEX75H, TEX80H, TEX100H, TEX110H, TEX180H, TEX250H, TEX400,TEX600H,TEX700H,TEX900H, TEX1400H, TEX1800, TEX2000, TEX1800H, TEX2000H,HBC1100 – 1700 HD, HBC2500, HBC4000, HBC6000, MB750, HB3600,HB4700, PB530, SB300 scaler, TEX250H scaler,TEX400H,TEX400HS, EX600H, TEX700H, TEX900H,HBC1700 |
| Berco Hydraulic Breaker / Hydraulic Hammer | BB42,BB52,BB62,BB70,BB80 |
| Hydraulic Breaker: | B290, B300, B400, B500, B600, B700, B850, B950, B1200, B1400, B1750,B1250, B1560, B2500,B2560, B2570,B3560,B3570,B3500,B5060,B5500,B6560,HB280,HB380,HB580, HB680, HB880, HB980, HB1180, HB2380,B280,B380,B580, B680,B880,B980, B1180 |
| Brokk Hydraulic Breaker/Hydraulic Hammer | BROKK40, BROKK50, BROKK90, BROKK160, BROKK180, BROKK250,BROKK260, BROKK330, BROKK400, BROKK800 |
| Case Hydraulic Breaker: | CB140, CB200, CB370, CB620, CB735, CB1150, CB1450, CB2850, CB3750, CB4000, CB5200, CB 6000 |
| Hydraulic Breaker: | H30DS,H45,H45DS,H45s, H50,H50s, H55Ds, H63s, H65Ds,H70, H70s, H90,H90B,H90C, H90Cs, H100, H100s, H115,B115,H115C,H115s, H120C,H120SH120Cs, H130, H130C, H130s, H140, H140Cs, H140S, H160,H160C,H160Cs, H170,H180,H180S,H180DS, H195s, H45/H45FT,H50/H50FT,H63/H63FT,H70/H70FT,H90/H0105HDS10FT5H,H90/H05HDS10FT5H,H90/H05HDS10FT,H90/H90FT5H,H90/H90F5H,H50FT,H63/H63FT H115C/ H116, H120S,H130S, C130,H140DS,B160, H160AS, B170,cat170, cat195, B195, H195,H35ES,H45Es, H55Es, H65Es, H75ES,H95Es,H110Es,H115Es, H120Es,H130Es,H140Es, H160Es, H180Es |
| Chicago Pneumatic Hydraulic Breaker: | CP75H, CP80H, CP100, CP100H, CP110H, CP150, CP180H, CP200, CP250H, CP290H, CP300, CP400, CP100,CP150,CP200,CP300,CP400,CP400H, CP550, CP600H, CP700H, CP750, CP900H, CP1150, CP1400H, CP 650,CP1800H, CP2000H,CP2250, CP3050, CP4250,RX18,RX2,RX3,RX4,RX6,RX8,RX11,RX14,CP1550,CP162R5,RX4,RX2,R50,3 RX53,RX54 |
| CNH (Case New Holland) Hydraulic Breaker : | CB32, CB45, CB65, CB85, CB120, CB150, CB320S, CB400S, CB550S, CB700S |
| Dehaco Hydraulic Breaker: | DHB35,DHB55, DHB75,DHB105, DHB165, DHB305, DHB405, DHB805, DHB1105, DHB1305,DHB1405, DHB1605,DHB2305,DHB3250,DHB4105,DHB5205,DHB15,DHB380,DHB1250,DHB1500S,DHB120, DHB2000S,DHB3600S |
| DNB Hydraulic Breaker: | D30,D60,D70,D90,D110,D130,D160,K20,K25,K30,K40,K50,D50,K80,K100, K120 |
| Drago Hydraulic Breaker: | DRH80, DRH120, DRH150, DRH180, DRH250, DRH280, DRH650S, DRH900, DRH1150S, DRH 1600S, DRH1900 |
| Demoter/ Vistirini Breaker/Hamore ea Hydraulic | DM160RE,DM240RE, S430 |
| Doosan Hydraulic Breaker/Hydraulic Hammer | DXB100H, DXB130H,DXB170H,DXB190H,DXB260H |
| Euroram Hydraulic Breaker: | RM45, RM48, RM56, RM65, RM75, RM80, RM85, RM90, RM110, RM115, RM120, RM130, RM140, RM145, RM150,RM160, RM180 ,RM195,RM215 |
| Everdigm Hydraulic Breaker/Hydraulic Hammer | EHB008,EHB01,EHB02,EHB03,EHB04,EHB05,EHB06,EHB10,EHB13,EHB17,EHB20,EHB25,EHB30,EHB40, EHB50 |
| Furukawa Hydraulic Breaker: | F1, F2, F3, F4, F5, F6, F9, F12, F19, F20,F22, F27, F 30,F35, F45, F70,F100,HB05R,HB1G,HB2G, HB2,5G,HB3R,HB3G,HB5G,HB8G,HB10G, HB15G, HB20G, HB30G, HB40G, HB50G ,HB100G, HB100, HB200, HB400, HB700, HB1100, HB1200, HB1500, HB1800, HB2000, FXJ275, FXJ375, FXJ475, FS37 |
| Kakaretso Breaker: | GB2T,GB5T,GB6T,GB8T,GB8AT,GB8F,GB11T,GB220E,GB2400 |
| Hanwoo Hydraulic Breaker: | RHB301-V,RHB302,RHB303-V,RHB303,RHB305-V,RHB308-2,RHB309,RH313-V,RHB320,RHB322-2, RHB325,RHB328-2,RHB330,RHB340,RHB350 |
| HUPPI Hydraulic Breaker/Hydraulic Hammer | HUPPI52,HUPPI72,HUPPI92,HUPPI102,HUPPI302,HUPPI402,HUPPI902,HUPPI1900,HUPPI1902 |
| Huskie Hydraulic Breaker: | HH-100, HH-150, HH-300, HH-500, HH-750,HH-1000 |
| Idromeccanica Hydraulic Breaker/Hydraulic Hammer | IMI85,IMI88,IMI260,IMI600,IMI605,IMI1000,IMI1010,IMI1200 |
| Indeco Hydraulic Breaker: | HB5, HB8, HB12, HB19, HB27,HP200, HP350, HP500, HP600, HP700, HP900, HP1200, MES121, MES150, MES180, MES181, MES200, MES250, MES300, MES301, MES350, MES351, MES450, MES451, MES521,MES550, MES553, MES601, ME621 MES,650, MES1050, MES1200, MES1500, MES1800, MES1750, MES2000, MES2500, MES3000, MES3500, MES5000, MES7000, ME 8500, UP181, UP200, U 301, UP350, UP351, UP462, UP521, UP550, UP553, UP601, UP621, UP650, UP1200 |
| Italdem Hydraulic Breaker: | Gk85,GK86,GK160,GK161,GK211,GK290,GK291,GK360,GK361,GK600,GK610,GK950,GK960, GK1350,GK1351S,GK1600,GK2400,GK3400,GK3500,GK3800,K80,K270,K550,K1000,K1030,K1300 |
| Hydraulic Breaker: | HM100Q,HM115Q,HM160,HM160Q,HM165Q,HM265Q,HM160,HM260,HM260L,HM260LQHM360, HM360Q,HM385Q,HM460QHM495Q,HM550,H560,HM760,HM860,HM860Q,HM960,HM1260Q, HM1560Q,HM1760Q,HM2460Q,HM3060Q,HM4160Q, M550, HM850, HM1050, HM1150, HM1350, HM1450, HM1750, HM2350, HM2950, HM3850, HM3950,HM4160 |
| JKHB Hydraulic Breaker: | JKHB31,JKHB51,JKHB71,JKHB101,JKHB301,JKHB401,JKHB801,JKHB1101,JKHB1401,JKHB1600, JKHB2000,JKHB3000 |
| Kent Hydraulic Breaker: | KF1, KF2, KF3, KF4, KF5, KF6, KF9, KF12, KF19, KF22, KF27, KF35, K 45, KF70,KHB1G, KHB20, KHB2GII,KHB30, KHB3GII, KHB50, KHB5GII, KHB80, KHB8GII, KHB100, KHB10GII, KHB10GII-HD, KHB150, KHB15GII, KHB200, KHB20GII, KHB300, KHB30GII, KHB400, KHB40GII, KHB500, KHB50GII |
| Komac Hydraulic Breaker: | KB1500,KB2000,KB3600 |
| hydraulic breaker/hamore: | JTHB20,JTHB30,JTHB40,JTHB50,JTHB60,JTHB65,JTHB70,JTHB100,JTHB150,JTHB190,JTHB230, JTHB310,JTHB400 |
| Konan Hydraulic Breaker: | MKB500N,MKB800,MKB900,MKB1200,MKB1300,MKB1400,MKB1500,MKB2100 |
| Hydraulic Breaker: | HM45, HM55 (50), HM51, HM60V, HM75 (60), HM61, HM85, HM90V, HM100, HM110, HM130, HM131, HM135,HM140V, HM170, HM185, HM190V, HM200, HM220, HM230, HM301, HM305 (300), HM400, HM401, HM405,HM350V, HM551, HM555, HM560, HM560CS (550), HM560V, HM580, HM600, HM601, HM680, HM720CS HM(710),HM711, HM715,HM 720, HM720V, HM712, HM700, HM701, HM702, HM705, HM706, HM780 V,HM800,HM900,HM901,HM902,HM960CS,HM950,HM951,HM952,HM960,HM961, HM962, HM960V, HM1000V, HM1200, HM1201, HM1205, HM1300,HM1500, HM1500CS, HM1500V,HM1800,HM2000,HM2100,V0M2M2H00(HM2H00,HM2M200,HM2H00,HM2H00,HM2H00,HM200,HM2000 M2600,HM3000,HM4000 |
| Kubota Hydraulic Breaker/Hydraulic Hammer | KM10,KM100,KM150,KM200,KM300,KM450, KXB310,KXB300,KXB350,KXB360,KXB400,KXB450,KXB460, KXB500,KXB600 |
| Lifton Hydraulic Breaker: | LH70,LH80,LH110.LH170,LH300,LH200.LH360,LH500,LH1000 |
| LST Hydraulic Breaker: | XB400is,XB340IS,XB450IS,XB550IS,XB675IS,XB875IS,XB1100IS,XB1300IS,XB1700IS,XB2100IS |
| Montabert Hydraulic Breaker: | BRP30, BRP45, BRP50, BRP60, BRP70, BRP85, BRP95, BRP100, BRP130, BRP140, BRP150 ,BRH40, BRH75, BRH76, BRH90, BRH91, BRH125, BRH250,BRH270, BRH501, BRH570, BRH620, BRH 625, BRH750, BRV32,M30, M50, M60, M70, M85, M95, M125SX, M130, M140, M150, M300, M600, M700, M 900 ,SC6, SC8, SC12,SC16, SC22, SC28, SC36, V32, V1200, V43, V45, V46, V52, V53, V55, V56, V65, V1600, V1800, V2500, V3500, V4500, XL1900, XL2600, Z92, Z96,V3500,V4500,SC42,SC50,XL1000,XL1300,XL1700 |
| MSB Hydraulic Breaker: | MS200H, MS250H, MS300H, MS400H, MS450H,MS500H, MS550MS600H, MS700H, MS800H, MS900H,SAGA20,SAGA30,SAGA40,AGA50,SAGA1000,SAGA1500,SAGA2000,MS45AT, MS35AT,SAGA20II,SAGA30II,SAGA40II,SAGA200II,SAGA80,SAGA81,SAGA100, SAGA120,SAGA180,SAGA220,SAGA300,SAGA350,MS35AT,MS75AT |
| MTB Hydraulic Breaker: | MT25,MT35,MT36,MT45,MT65,MT85,MT95,MT120,MT150,MT170,MT210,MT255,MT275,MT285, MT270,MT360,MT500,MT700,MT15 |
| NPK Hydraulic Breaker: | E12-X, E15-X, E18-X, E24-X,E102, E106, E200, E201,E 202, E203, E204, E205, E206, E207, E208A, E 210,E210B, E212, E213, E213A, E215, E216, E220, E225,E240A,GH06, GH07, GH1, GH2, GH3, GH4,GH5, GH6, GH7,GH9, GH10, GH12,GH15, GH18,GH30,H06-X, H08-XA, H1-XA, H2-XA/XE,H 2-X, H3-XA/XE, H4-X/XE, H5-X, H6-X, H7-X,H 8-X, H8-XA, H10-X, H10-XB, H10-XE, NPK H11X, H12-X, H12-XE, H14X, H16X, H20X, H30X |
| Okada Hydraulic Breaker: | UB4,UB8,UB11,OUB305,OUB307,OUB308,OUB210,OKB302A, OKB303, OKB305, OKB312 B, OKB316, TOP35, TOP60,TOP200,OUB302,OUB302A,OUB303B,OUB304B,OUB305,OUB306,OUB308,OUB310, OUB312,OUB316,OUB318 |
| O&K Hydraulic Breaker: | H32,H45,H65,H85,H120,H150,H200,H260,H310,H380,H530,H700 |
| OCM Hydraulic Breaker: | OCM8,OCM25,OCM55,OCM100,OCM130 |
| Omal Hydraulic Breaker: | OMAL80,OMAL80S,OMAL270.OMAL500,OMAL1000 |
| OMD Hydraulic Breaker: | OMD8,OMD30,OMD50,OMD100,OMD4000 |
| Prodem Hydraulic Breaker/Hydraulic Hammer: | PRB008,PRB010,PRB030,PRB040,PRB050,PRB060,PRB100,PRB130,PRB170,PRB200,PRB250,PRB300, PRB400,PRB500 |
| Khothaletsa Hydraulic Breaker: | XP100, XP150, XP250, XP450, XP550, XP800, XP1200, XP1500, XP2400, XP4500 |
| Rammer Hydraulic Breaker: | S18,S21,S22,S23,S23N,S24,S25N,S25,S26,S27,S29,S52,S54,S55,S56,S82,S83,S84,S86,E63, E64, E65,E66, E66 N, E68,G80, G90, G100, G110, G120,G130,M14,M18,G88CTIY,G90CITY, G110CITY,G130CITY |
| Robi Hydraulic Breaker/Hydraulic Hammer: | MH7,MH11,MH15,BH30,BH50,BH80,BH170,BH240 |
| Rotair Hydraulic Breaker: | OL90, OL130, OL180, OL250,OLS50, OLS95, OLS160, OLS260, OLS330, OL 450 |
| Sandhurst Hydraulic Breaker/Hamore ea Hydraulic: | SMC XT70,SMC XT100,SMC XT200,SMC XT300,SMC XT400 |
| Hydraulic Breaker: | BR321, BR422, BR623, BR825, BR927, BR1229, BR2063,BR2064, BR2265,BR2266, BR2568, BR3088,BR3288, BR3890,BR4099, BR4510, BR4511,BR7013,BR111,BR222,BR333,BR455,BR555,BR777,BR999,BR1533,BR2155,BR5147,BR514,BR214,BR214,BR214,BR514 |
| Socomec Hydraulic Breaker: | DMS50,DMS95,DMS150,DMS160,DMS210,DMS220,DMS250,DMB260,DMS270,DMS330, DMS430,MDO550,DMS680,DMS740,MDO300,MDO430,MDO550,MDO750, MDO900, MDO1450, MDO1950, MDO2050 |
| Soosan Hydraulic Breaker: | SB10 , SB20 , SB30 , SB40, SB43,SB45,SB50, SB60,SB70 SB81, SB100,SB121,SB130,SB140,SB151 |
| Stanley Hydraulic Breaker: | MB125,MB156, MB250, MB256, MB257, MB357, MB350, MB506, MB550, MB656, MB675, MB695, MB800, MB856, MB875, MB956, MB1500, MB1550, MB1560, MB1950, MB1975, MB2570, MB3570, MB2975,MB3900,MB3950,MB5950, MB15EX, MB20EX, MB30EX, MB40EX,MB50EX, MB70EX,MB80EX,MB100EX |
| STAR Hydraulic Breaker: | SH40,SH91,SH151,SH200,SH280,SH560,SH561,SH990,SH991,SH1200,SH1400,SH1402 |
| TABE Hydraulic Breaker: | AGB12,AGB16,AGB30,AGB270,AGB275,AGB350,AGB370,AGB371,AGB375,AGB400,AGB475, AGB700,AGB701,AGB750,AGB1000,AGB1300,AGB1301,AGB1600,AGB1601,AGB1620,AGB1800, AGB2000,AGB2001,AGB2020,AGB2800 |
| Takeuchi Hydraulic Breaker: | TKB31,TKB50, TKB51, TKB71, TKB101, THB201,TKB301, TKB401, TKB801, TKB1101, TKB1401, TKB1600, TKB2000 , TKB3000 |
| Teledyne Hydraulic Breaker: | TB100,TB120,TB125,TB180,TB225,TB220,TB325,TB275,TB400,TB425,TB625,TB700,TB725,TB750, TB825,TB830,TB900,TB925,TB975,TB1000,TB1025,TB980,TB1300,TB1425,TB1430,TB1675, TB1680, TB1825,TB2075,TB2580,TB2080 |
| Hydraulic Breaker: | TNB08M, ,TNB1E, TNB1M, TNB2E,TNB2M, TNB3E, TNB3M, TNB4E, TNB4M,TNB5E, TNB5M, TNB6E, TNB6M, TNB7E,TNB7M, TNB10E,TNB 14E, TNB16E, TNB22E, TNB23E,TNB30E,THB38E,TNB100, TNB150,TNB190,TNB220,TNB230,TNB310,TNB400 |
| Toyo Hydraulic Breaker: | THBB50, THBB51, THBB71, THBB101,THBB201, THBB301, THBB401, THBB801, THBB1101, THBB1401, THBB 1600, THBB2000, THBB3000 |
| Volvo Hydraulic Breaker: | HB80,HB130,HB200,HB300,HB440,HB600,HB800,HB1100,HB1400,HB1700,HB2400,HB3200,HB3800, MH90, MH95, MH 160, MH260, MH330 |
| Wimmer Hydraulic Breaker: | W220,W330,W440,W550,W770,W880,W990 |
KOPANE KAKARETSO
E fumaneha profinseng e ntle ea Yichun City Jiangxi, haufi le boema-kepe ba Ningbo le boema-kepe ba Shanghai.Aili ke khoebo ea sejoale-joale e ikhethileng ho R&D, e etsa le ho rekisa likarolo tsa ho lahla ka nepo.Aili e thehiloe ka 1980, re se re ntse re e-na le phihlelo ea ho lahla 40years .Ho koahela sebaka sa 110,000 sqm;ho ba le basebetsi ba fetang 200;Matla a tlhahiso ea selemo ke lithane tse 24,000;Romella linaheng tse fetang 100 lefatšeng ka bophara;Selemo le Selemo Sales Volume e fetang liranta tse limilione tse 30 har'a eona ,60% ke 'maraka mose ho maoatle, 40% ke maraka a malapeng.
Khamphani ea rona e na le mohala o tsoetseng pele oa ho etsa matsete, mochini oa forging, sebōpi sa mocheso o sa khaotseng oa tikoloho, hammoho le lisebelisoa tse holimo tsa tlhahlobo indastering ena.Hona joale re fana haholo ka mefuta eohle ea bakete ea excavator, meno a bucke & li-adapter le lihlahisoa tse nepahetseng tsa ho lahla le ho qhekella, joalo ka: Meno, Adapter, seha se ka thōko, sehalo, bakete, mosireletsi, pin, retainer, bolt, nut ect Re ka nts'etsapele le ho rala. mefuta eohle ea hlobo, precisioncasting hlobo le forging ka kopo e khethehileng.
Letšoao la khoebo: Aili
AIli e nang le fektheri e nepahetseng ea motheo, fektheri ea Ceramics Casting，Mohala oa tlhahiso ea othomathike hape re ka bitsa mohala oa Static pressure modeling (SPML) Aili hape ke eena feela moetsi oa China ea sebelisang mohala oa khatello ea static ho hlahisa leino le adaptara, feme e nepahetseng ea ho theha, hlobo le setsi sa CNCmachining. 
TS'ELISO SEHLOOHO
Re na le lisebelisoa tse tsoetseng pele haholo tsa tlhahlobo ea physicochemicals ho kenyelletsa: Optical Spectrum Analyzer e hlahlobang le ho sekaseka sebopeho sa lik'hemik'hale, microscope ea Metallography e lekang Mechini ea Tlhahlobo: Re na le lisebelisoa tse 6 tsa mochini oa ho itšeha, Ntlafatsa lebelo la tlhahlobo ea ts'ebetso ea mochini Rockwell Hardness Tester le Brinell hardness tester ho leka block, Mechini ena e 'meli e ka fa bareki litlhoko tse fapaneng tsa boima ba litšupiso. sesebediswa sa rona sa ho Lekola Boikemisetso,Mochini oa ho etsa liteko ho leka monahano le tsitsipano.
Melemo
1.Ho sebelisana le lihlahisoa tse tsebahalang lefatšeng ka bophara,
1.ho ba morekisi oa VOLVO ho tloha ka 2014
2. ho ba mofani oa thepa ea mofuta oa pele oa lefats'e oa thepa ea SDLG ka 2018.
2.Certificate of Design Patent, re fumane sena ka 2016. 3.Aili ke eona feela k'hamphani ea Chaena e ka ikemetseng ho hlahisa lisebelisoa tsa lik'hemik'hale. PATLISISO E IKHETHEHILENG LE OPMENT EA NTSHATSO, Khamphani ea rona e na le lefapha le ikemetseng la R&D, le ikhethileng ka ho khetheha ho nts'etsapele lihlahisoa tse ncha.
4 Re na le litokelo tsa boqapi tse 8 Ho sa le joalo k'hamphani ea rona e bile confimedas National Hi-tech enterprise.
5.warehouse e nang le li-spuare metres tse fetang likete tse 20, e ka boloka lihlahisoa tsa lithane tse ka bang 3000 ho eona.Thepa e tsoang kantle ho naha e tletse ka mokotla oa lepolanka oa MDF 'me re tla kenya polasetiki e sa keneleng metsi ka hare ho thibela mafome nakong ea ho romelloa leoatleng. 
112我瞧瞧
Q1.Mohlala
-- sampole ke mahala, empa o hloka ho lefa thepa.
Q2.Aterese
-- Aterese ea Feme: NO.1, CENTURY AVENUE, INDUSTRIAL PARK, JING'AN COUNTY, YICHUN CITY,JIANGXI PR, CHINA
Q3.Sehlahisoa
-- Meno, adaptara, seha se ka thoko, sehaho, nkho, mosireletsi, phini, mohlokomeli, bolt, nut ect
Q4: Melao ea Tefo
—- T/T
Q5.Letšoao
—- Ha ho logo/Aili/Customized.
Q6.Lead time
—- Lihlahisoa tse fumanehang: hang-hang;Lihlahisoa tse tloaelehileng: matsatsi a 20.
Q7.Aftermarket
—- Re netefatsa boleng ba sehlahisoa.Haeba ho na le bothata bofe kapa bofe, re na le sehlopha sa litšebeletso tsa litsebi se tla araba nakong ea lihora tse 24 le ho fana ka tharollo nakong ea matsatsi a 3.
