Vim li cas precision teeb meem nyob rau hauv cov rooj tog zaum ua vaj tse ntau lawm?

Koj puas tau xav txog qhov tseem ceeb ntawm precision nyob rau hauv rooj tog vajtse Hardware ntau lawm? Qhov tseeb thiab muaj txiaj ntsig ntawm txhua daim ua si ib lub luag haujlwm tseem ceeb hauv kev ua tau zoo thiab ua haujlwm ntawm cov rooj tog zaum. Hauv tsab xov xwm no, peb yuav delve rau hauv vim li cas precision tseem nyob rau hauv rooj tog teeb meem ntau lawm thiab nws tuaj yeem ua qhov sib txawv ntawm cov khoom kawg. Koom nrog peb thaum peb tshawb txog lub ntiaj teb incision ntawm kev tsim kho thiab nws cov kev cuam tshuam ntawm cov rooj tog kev lag luam.

- Qhov tseem ceeb ntawm precision hauv rooj tog vaj tse ntau lawm

Nyob rau hauv kev sib tw ntiaj teb ntawm cov rooj tog khoom vaj tsev ntau lawm, yog qhov tseem ceeb tshaj plaws uas tsis tuaj yeem raug saib dhau. Los ntawm cov pob taws thiab cov leeg mus rau drawer swb thiab txhua yam ua rau lub luag hauj lwm tseem ceeb hauv kev ua haujlwm tag nrho thiab kev tshuaj ntsuam kev saib xyuas ntawm rooj tog. Raws li cov rooj tog khoom vajtse tsum, kom meej meej qhov tseeb hauv koj cov txheej txheem ntau lawm yog qhov tseem ceeb thiab ua kom koj cov neeg xav tau.

Ib qho ntawm cov laj thawj tseem ceeb vim li cas precision tseem nyob rau hauv rooj tog teeb meem yog qhov xav tau kev sib koom ua ke nrog tus so ntawm cov rooj tog zaum. Thaum ib tus neeg yuav khoom yuav ib qho rooj tog, lawv cia siab tias txhua feem rau ua haujlwm sib haum ua ke los muab tus siv kev ua kom du thiab tsis muaj zog. Txhua qhov sib txawv ntawm cov kev ntsuas thiab cov kev qhia tshwj xeeb tuaj yeem ua rau muaj kev ua haujlwm thiab cov rooj tog zaum ruaj khov.

Tsis tas li ntawd, precision nyob rau hauv rooj tog vaj tse ntau lawm yog qhov tseem ceeb rau kev ua kom muaj txiaj ntsig zoo sib xws thiab sib txawv hauv cov khoom kawg. Thaum cov neeg muas zaub yuav cov rooj tog ntau cov rooj tog, lawv cia siab tias txhua daim kom phim txig rau hauv cov kev tsim, xim, thiab kev ua haujlwm. Los ntawm kev tswj hwm ncaj ncees cov qauv, rooj tog khoom vaj khoom tuaj yeem lav tau tias txhua qhov kho vajtse lawv tau ua kom tau raws li cov neeg siv khoom zoo tib yam thiab rov ua lag luam.

Tsis tas li ntawd, precision nyob rau hauv rooj tog vaj tse tsim yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab kev tswj hwm. Cov khoom siv kho vajtse tsis zoo tuaj yeem ua rau muaj kev phom sij kev nyab xeeb rau cov neeg siv khoom, ua rau muaj xwm txheej thiab raug mob. Los ntawm adherering rau kev ntsuas kho kom zoo thiab kev tswj hwm zoo, rooj tog kom paub tseeb tias lawv cov khoom muaj kev nyab xeeb rau kev siv thiab ua raws li kev tswj hwm kev lag luam.

Ntxiv nrog rau txoj haujlwm ua haujlwm, precision hauv rooj tog zaum cov vaj tse ntau lawm kuj ua lub luag haujlwm tseem ceeb hauv kev pom zoo ntawm rooj tog. Qhov zoo tshaj ntawm cov khoom siv kho vajtse, xws li cov pob ntawm caj dab, thiab cov khawm thiab khawm, tuaj yeem cuam tshuam ntau txoj kev xav tau zoo tag nrho thiab pom ntawm ib qho rooj tog. Cov khoom siv kho vajtse kho tau tuaj yeem txhim kho kev pom ntawm rooj tog zaum ntawm rooj tog zaum, ua rau nws txaus nyiam dua rau cov neeg siv khoom thiab nce nws tus nqi ua lag luam.

Raws li cov rooj tog vaj tse khoom siv, nqis peev hauv cov txheej txheem tsim kho kom zoo yog qhov tseem ceeb rau kev tswj hwm kev sib tw hauv kev lag luam. Los ntawm kev ua cov khoom siv kho kom zoo uas ua tau raws li cov lus qhia tshwj xeeb, cov chaw muag khoom tuaj yeem sib txawv ntawm cov neeg sib tw thiab tsim lub koob npe nrov rau kev ntseeg tau thiab ua tau zoo. Qhov no, nyob rau hauv lem, tuaj yeem ua rau cov neeg siv khoom muaj kev txaus siab, rov ua haujlwm ntev dua, thiab kev vam meej ntev hauv cov rooj tog ua lag luam.

Hauv kev xaus, precision nyob rau hauv rooj tog vaj tse cov vaj tse ntau lawm yog qhov tseem ceeb tshaj plaws uas tsis tuaj yeem xav tsis tau. Los ntawm kev sib xyaw ua ke thiab xwm yeem los ntsib kev nyab xeeb qauv thiab txhim kho lub luag haujlwm zoo nkauj, lub luag haujlwm tseem ceeb hauv kev ua tau zoo thiab kev vam meej ntawm rooj tog zaum. Raws li cov rooj tog khoom vajtse cov khoom siv, ua ntej precision hauv koj cov txheej txheem ntau lawm yog qhov tseem ceeb rau kev xav tau ntawm koj cov neeg xav tau thiab nyob ua ntej hauv kev sib tw ua lag luam.

- Cuam tshuam ntawm qhov tseeb ntawm cov khoom lag luam zoo thiab ua haujlwm

Precision nyob rau zus tau tej cov rooj tog kho vajtse yog tiag tiag tseem ceeb heev thaum nws los txog rau kom ua tau zoo thiab ua haujlwm ntawm cov khoom kawg. Raws li cov rooj tog vaj tse khoom siv, qhov tseem ceeb ntawm qhov tseeb tsis tuaj yeem ua rau muaj kev txaus siab, raws li nws tau ncaj qha cuam tshuam rau cov neeg siv khoom thiab kev ua tiav ntawm koj txoj kev lag luam.

Ib qho ntawm cov laj thawj tseem ceeb yog vim li cas precision tseem nyob hauv rooj tog muaj zog yog nws txoj kev sib cuam tshuam ncaj qha rau cov khoom zoo. Thaum cov khoom siv tsis yog tsim nrog qhov ntsuas qhov tseeb, nws tuaj yeem ua rau cov teeb meem xws li tsis ua haujlwm tsis zoo, thiab tag nrho cov kev ua tsis zoo ntawm cov khoom siv kho vajtse. Qhov no tsis yog hais txog qhov tsis zoo ntawm cov rooj tog uas nws tus kheej, tab sis kuj ntawm koj hom ua khoom lag luam. Cov neeg muas zaub xav tias qhov kho vajtse lawv yuav yuav txhim khu kev qha thiab ruaj khov, thiab ib qho uas tsis muaj qhov tsim nyog hauv nws cov peev xwm tuaj yeem ua rau tsis txaus siab lossis cov nyiaj rov qab.

Tsis tas li ntawd, precision plays lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm cov khoom siv vaj tse. Cheebtsam uas tsis yog tsim nrog qhov tseeb yuav tsis haum ua ke, ua rau muaj kev nyuaj siab hauv kev sib dhos thiab cuam tshuam cov qauv kev ncaj ncees ntawm cov rooj tog zaum. Cov khoom siv hluav taws xob tsis tshua muaj peev xwm ua rau muaj teeb meem xws li cov tub rau khoom jammed, xoob khawm, thiab tag nrho cov khoom siv tsis zoo ntawm cov rooj tog. Qhov no tsis yog ua rau cov neeg siv khoom tab sis kuj tuaj yeem ua rau siv tau nqi thiab hloov pauv, cuam tshuam koj cov khoom siv hauv qab.

Ntxiv nrog rau nws cov kev cuam tshuam rau cov khoom lag luam zoo thiab ua haujlwm, precision hauv rooj tog vaj tse kuj tau ua rau tag nrho cov neeg siv khoom txaus siab. Thaum cov neeg siv khoom tau txais cov khoom lag luam uas tau ua haujlwm zoo thiab ua tau raws li qhov xav tau, lawv feem ntau yuav ntseeg koj lub hom thiab ua daim ntawv yuav rov qab ua ntej. Ntawm qhov tod tes, thaum muaj cov khoom siv kho vajtse yog tsim nrog qhov tsis muaj qhov tsis muaj tseeb, nws tuaj yeem ua rau pom qhov tsis zoo thiab lo lus-ntawm-qhov ncauj, tarnishing koj lub koob npe nrov ua tus xa khoom.

Raws li cov rooj tog vaj tse cov khoom siv, nqis peev pab rau qhov ntsuas nyob hauv cov txheej txheem ntau lawm yog qhov tseem ceeb rau kev sib tw hauv kev ua lag luam. Los ntawm kev ua kom meej tias koj cov Cheebtsam yog tsim nrog qib siab ntawm cov neeg tuaj yeem thiab nyiam cov qhua tuaj noj mov thiab nyiam cov neeg siv khoom zoo thiab kev ntseeg tau hauv lawv cov cuab yeej ua vaj huam sib luag.

Hauv kev xaus, qhov kev cuam tshuam ntawm qhov tseeb ntawm cov khoom lag luam zoo thiab kev ua haujlwm hauv rooj tog zaum ua kom tau zoo. Raws li tus neeg xa khoom, ua ntej precision hauv koj cov txheej txheem tsim khoom yog qhov tseem ceeb rau kev sib ntsib ntawm cov neeg siv khoom, thiab thaum kawg tsav tsheb ua tiav ntawm koj txoj kev lag luam. Los ntawm kev tsom mus rau qhov tseeb, koj tuaj yeem sib txawv ntawm koj tus kheej hauv kev ua lag luam thiab tsim koj hom ua tus neeg ua haujlwm uas ntseeg siab tau cov khoom siv zoo.

- Lub luag haujlwm ntawm precision nyob rau hauv ensuring ntev divability ntawm cov vaj huam sib luag

Cov rooj tog kho vaj tse ua si yog lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev ua tau zoo tag nrho thiab ntev ntawm rooj tog. Los ntawm cov pob taws thiab cov leeg mus rau drawer swb thiab txee nkhaus, cov khoom siv no yog qhov tseem ceeb rau kev ua haujlwm thiab kev ua kom zoo nkauj. Txawm li cas los xij, qhov tseem ceeb ntawm precision hauv kev tsim cov khoom rooj tog kho vajtse tsis tuaj yeem pom. Lub luag haujlwm ntawm precision nyob rau hauv ensuring lub zog ntev ntev yog qhov tseem ceeb, tuaj yeem ua rau muaj kev sib txawv, hnav thiab kua muag, qhov kev xav tau kev hloov pauv.

Raws li cov rooj tog khoom siv, tswj cov txheej txheem siab ntawm qhov tseeb hauv kev tsim khoom yog qhov zoo rau cov khoom lag luam zoo rau cov neeg siv khoom. Precision hauv kev tsim khoom pib nrog cov qauv tsim, qhov twg yog qhov tseem ceeb rau kev ua kom txhua qhov haum thiab kev ua haujlwm raws li tau npaj tseg. Los ntawm muaj, precision machinitiques kev paub xws li CNC (khoos phis tawj tswj) machining yog siv los tsim cov chaw nrog kev ua kom nruj thiab tsawg kawg nkaus.

Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev tsim kho hauv rooj tog hauv cov rooj tog muaj zog yog qhov sib xws nws muab. Los ntawm kev ua kom txhua yam ua kom txhua qhov yog tsim tawm rau cov ntsiab lus tshwj xeeb, cov neeg xa tuaj yeem lav tau tias txhua daim yuav haum ua ke ntawm kev sib ceg thiab ua haujlwm zoo. Qhov no tsis yog muab cov rooj tog zoo tag nrho tab sis kuj txo cov teeb meem xws li squeaking hinges lossis cov tub rau khoom jammed.

Ntxiv rau ib qho kev sib xws, precision lag luam tseem ua lub luag haujlwm tseem ceeb hauv lub zog ntawm cov khoom siv hluav taws xob ua vaj tse. Cheebtsam uas yog tsim nrog qhov tseeb yog qhov yuav tsis muaj feem yuav hnav tawm sai lossis ua tiav prefaturely. Piv txwv li, khawm hinges uas tau precisely machined yuav ua haujlwm zoo yam tsis muaj kev khi lossis txhuam, thaum lub sij hawm drawer swb uas yog qhov tseeb tsim nyog yuav tsis muaj wobbling lossis staying.

Tsis tas li ntawd, kev siv cov ntaub ntawv zoo ua ke nrog kev tsim kho kom haum muaj peev xwm txuas ntxiv tau ntxiv rau lub zog ntawm cov khoom siv hluav taws xob muaj zog. Los ntawm kev siv cov ntaub ntawv uas tiv taus corrosion, hnav, thiab cuam tshuam, cov chaw muag khoom tuaj yeem paub tias lawv cov khoom lag luam yuav tiv taus lub sijhawm thiab muab kev ua tau zoo ntev rau cov neeg siv khoom.

Hauv kev xaus, lub luag haujlwm ntawm precision nyob rau hauv ensuring lub divility ntev ntawm cov khoom siv ruaj khov ntawm cov khoom siv ua vaj tse yog lawb rau cov khoom vaj rooj tog khoom vaj khoom. Los ntawm kev ua ntej precision hauv kev tsim qauv thiab cov txheej txheem tsim khoom, cov chaw muag khoom tuaj yeem xa cov khoom lag luam zoo, ua kom tau txais kev pab thiab kev cia siab ntawm cov neeg siv khoom. Qhov no tsis tsuas yog cov txiaj ntsig kawg ntawm tus neeg siv los ntawm kev muab cov khoom siv hluav taws xob txhim khu kev qha thiab ntev ntev tab sis kuj ua rau lub koob npe nrov thiab kev sib tw ntawm cov khoom lag luam hauv khw. Raws li, meej yuav tsum yog ntawm tag nrho cov rooj tog vaj tse tsim kho kom tau los txhawb cov qauv siab tshaj plaws ntawm kev ua tau zoo thiab kav ntev.

- Cov txiaj ntsig ntawm kev siv ntsuas ntsuas thiab cov tswv yim hauv kev tsim khoom

Hauv kev sib tw hauv ntiaj teb ntawm cov rooj tog khoom vaj khoom tsim khoom, qhov tseem ceeb yog qhov tseem ceeb. Raws li cov rooj tog khoom vaj khoom, kom muaj kev ntsuas yog qhov tseeb thiab siv tau cov txuj ci tseem ceeb rau kev ua tau zoo tag nrho thiab ua tiav ntawm koj cov khoom. Los ntawm kev tsim qauv theem rau chav kawm ntau lawm, precision plays lub luag haujlwm tseem ceeb hauv txhua qhov ntawm cov txheej txheem.

Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev siv ntsuas ntsuas thiab cov txuj ci siab hauv kev tsim khoom yog lub peev xwm los ua kom muaj xwm yeem thiab sib txawv thoob plaws txhua feem. Qhov no yog qhov tshwj xeeb tshaj yog qhov tshwj xeeb rau cov khoom siv hluav taws xob, qhov chaw twg txawm tias kev sib txawv tsawg tshaj plaws tuaj yeem cuam tshuam cov haujlwm thiab kev ua kom zoo nkauj ntawm cov khoom kawg. Los ntawm kev siv cov kev ntsuas pom tseeb, koj tuaj yeem lav tau tias txhua daim yog qhov loj me thiab cov duab, ua rau muaj kev sib luag thiab ua tiav.

Tsis tas li ntawd, kev ncaj ncees nyob rau hauv ntau lawm pab kom txo cov khib nyiab thiab ua rau siab tshaj plaws ua tau zoo. Los ntawm kev siv cov kev ntsuas yog qhov tseeb, koj tuaj yeem kho cov ntaub ntawv raug thiab zam cov khoom siv tsis tsim nyog lossis cov yuam kev uas yuav ua rau muaj kev txiav txim siab tsis zoo lossis kos duab. Qhov no tsis tsuas yog txuag sijhawm thiab nyiaj tab sis kuj tseem txo cov kev cuam tshuam ib puag ncig ntawm kev tsim khoom. Raws li cov rooj tog khoom siv kho vajtse, siv cov txuj ci zoo tuaj yeem pab tau cov txheej txheem loj heev thiab nce cov khoom lag luam tag nrho.

Tsis tas li ntawd, precision nyob rau hauv ntau lawm kuj tuaj yeem txhim kho lub durability thiab ntev ntawm rooj tog kho vajtse. Thaum cov khoom siv yog tsim nrog ntsuas cov ntaub ntawv thiab cov khoom muaj txiaj ntsig zoo, lawv feem ntau yuav tiv taus hnav thiab rhuav lub sijhawm. Qhov no yog qhov tshwj xeeb tshaj yog rau cov khoom uas nquag siv, xws li hinges, pob ntawm pob, thiab tub rau zaub xaub. Los ntawm kev ua kom muaj qhov tseeb hauv kev tsim khoom, koj tuaj yeem muab koj cov neeg siv khoom nrog kho vajtse uas tau ua kom kawg thiab tiv thaiv lub sijhawm.

Ntxiv rau kev txhim kho qhov zoo thiab ruaj khov ntawm koj cov khoom, siv cov kev ntsuas thiab cov kev ntsuas ua hauv kev tsim tawm tuaj yeem txhim kho lub koob npe nrov ntawm koj hom. Cov neeg siv khoom yuav ntseeg siab ntau dua thiab cia siab rau cov khoom siv rooj tog uas tsis tu ncua cov khoom lag luam sab saum toj-tsis tau meej thiab zoo. Los ntawm kev ua ntej precision hauv koj cov txheej txheem tsim khoom, koj tuaj yeem tsim lub koob npe nrov rau kev ua tau zoo thiab nyiam cov neeg siv khoom zoo tshaj plaws.

Zuag qhia tag nrho, qhov tseem ceeb ntawm precision nyob rau hauv rooj tog vajtse cov khoom siv tsis tau. Raws li cov rooj tog khoom vaj khoom, siv cov kev ntsuas thiab cov tswv yim zoo tuaj yeem muaj kev cuam tshuam zoo rau qhov zoo, ua tau zoo, thiab lub koob npe nrov ntawm koj hom. Los ntawm kev ua ntej precision nyob rau hauv txhua kauj ruam ntawm cov txheej txheem ntau lawm, koj tuaj yeem ua kom koj cov khoom lag luam zoo tshaj plaws thiab muab koj lub hom ua tus thawj coj ua tus thawj coj hauv kev lag luam.

- Yuav ua li cas precision tuaj yeem txhim kho tag nrho cov neeg siv khoom txaus siab thiab lub koob npe nrov

Hauv kev sib tw hauv ntiaj teb ntawm cov rooj tog zaum ua kom muaj zog, precision plays lub luag haujlwm tseem ceeb hauv kev txhim kho cov neeg siv khoom tag nrho cov qhua tuaj noj mov. Raws li cov rooj tog khoom siv kho vajtse, kom ntseeg tau qhov tseeb ntawm koj cov khoom tuaj yeem ua rau muaj kev cuam tshuam tseem ceeb ntawm kev ua tiav ntawm koj txoj kev lag luam.

Precision hauv rooj tog vaj ua vajtse tsim kho yog hais txog qhov raug thiab xwm yeem hauv kev tsim khoom. Qhov no suav nrog kev tsim, ntsuas, cov ntaub ntawv, thiab kev sib dhos ntawm cov khoom siv kho vajtse. Thaum ib tus neeg xa khoom xa mus rau cov ntsiab lus no thiab tsim cov khoom siv zoo, ua kom zoo nkauj, nws tuaj yeem ua rau cov khoom lag luam zoo tshaj plaws rau cov qhua tuaj noj mov.

Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm precision nyob rau hauv rooj tog hauv vaj tse wardware ntau lawm yog kev txhim kho kev ua haujlwm. Qhia cov khoom siv kho vajtse ua ke haum haum ua ke seamlessly ua ke, tso cai rau kev ua haujlwm du thiab ntev ntawm cov rooj tog zaum. Cov neeg siv khoom noj qab rooj noj rooj tog uas tsis tsuas yog zoo xwb tab sis kuj ua haujlwm zoo, thiab precision hauv cov khoom siv tau zoo yog qhov tseem ceeb hauv kev ua tiav qhov no.

Ntxiv mus, precision hauv rooj tog vaj tse tsim khoom kuj tseem tuaj yeem ua rau ntau tus neeg siv khoom txaus siab. Thaum cov neeg siv khoom tau txais cov khoom lag luam uas tau ua tiav thiab ruaj khov, lawv feem ntau yuav txaus siab rau lawv txoj kev yuav khoom thiab muaj kev paub zoo nrog koj hom. Qhov no tuaj yeem ua rau kev ua lag luam rov qab, kev xa mus, thiab rov txheeb xyuas qhov zoo, txhua yam uas yog qhov tseem ceeb rau kev tsim lub npe muaj zog.

Hom lub koob npe yog lwm qhov tseem ceeb ntawm qhov uas yog cuam tshuam los ntawm precision hauv rooj tog vajtse Hardware ntau lawm. Tus neeg xa khoom uas ua ntu zus tau muab cov khoom siv tau zoo, kho kom meej yuav tsim lub koob npe nrov rau kev ntseeg tau thiab kev ua tau zoo hauv kev lag luam. Cov neeg yuav khoom yuav los ntseeg lub hom thiab muaj feem ntau xaiv cov khoom lag luam los ntawm cov khoom muag ntawd yav tom ntej.

Ntxiv rau cov neeg siv khoom txaus siab thiab lub npe nrov, ua kom zoo nyob rau hauv rooj tog vaj tse tsim tau kuj muaj cov txiaj ntsig nyiaj txiag rau ib tus neeg xa khoom. Los ntawm kev txo qhov yuam kev thiab pov tseg hauv cov txheej txheem tsim khoom, ib qho khoom siv tuaj yeem txhim kho kev ua haujlwm thiab muaj peev txheej. Precision kuj tseem tuaj yeem ua rau cov nqi txuag hauv lub sijhawm ntev, raws li cov khoom lag luam uas tau ua tau zoo thiab ruaj khov yuav tsum tau kho lossis hloov.

Zuag qhia tag nrho, qhov tseem ceeb ntawm precision nyob rau hauv rooj tog vaj tse tsim tsis tau ntau dua rau ib lub rooj tog vaj tse khoom xa khoom. Los ntawm kev tsom mus rau qhov tseeb, ib qho khoom xa tuaj yeem txhim kho cov neeg siv khoom txaus siab, tsim lub koob npe muaj zog, thiab txhim kho kev ua haujlwm nyiaj txiag. Hauv kev sib tw ua lag luam, precision tuaj yeem yog tus sib txawv tseem ceeb uas teeb tsa tus neeg xa khoom sib nrug thiab ua rau kev vam meej ntev.

Tag

Hauv kev xaus, qhov tseem ceeb ntawm precision hauv rooj tog zaum ua tsis tau pom zoo txaus. Los ntawm kev ua tiav cov khoom lag luam zoo los txhim kho cov neeg siv khoom txaus siab, precision plays lub luag haujlwm hauv kev ua tiav ntawm cov rooj tog tsim lag luam. Los ntawm kev nqis peev hauv cov thev naus laus zis thiab cov neeg ua haujlwm txawj, cov tuam txhab tuaj yeem ua tiav qhov tseeb hauv lawv cov txheej txheem ntau lawm, ua rau kom tau zoo dua cov txiaj ntsig zoo. Yog li ntawd, nws yog qhov tseem ceeb rau cov rooj tog vouters kom pom tseeb qhov tseeb nyob rau txhua kauj ruam ntawm lawv cov khoom lag luam kom zoo dua cov khoom lag luam thiab cov neeg siv khoom txaus siab. Yog li, lwm zaus koj yuav khoom rau rooj tog, nco ntsoov tias precision tiag tiag muaj teeb meem nyob hauv lub ntiaj teb cov rooj tog tsim khoom siv.