Nhau

Nhanganyaya Yependi

Muhurongwa hwezvivakwa uye maindasitiri enzanga yemazuva ano, mapaipi anoita basa rakakosha. Dzakafanana netsinga dzekutakura dzinyararire, dzinotakura chinyararire zvinwiwa, magasi uye zvinhu zvakasiyana-siyana, kuve nechokwadi chekupihwa kwesimba, kushanda zvakanaka kwekugadzirwa kwemaindasitiri uye kuve nyore kwehupenyu hwezuva nezuva. Zvisinei, shure kwebasa rakanyarara repombi, kune "asingaoneki murindi" anokosha - pendi yepombi, iyo inopa kudzivirira kwakakosha kwepombi.

1. tsanangudzo uye basa repende yepiipi

Pendi yepombi, sezvinoreva zita racho, ipende yakanyatsogadzirirwa kuiswa pamusoro pepombi. Basa rayo guru rinoenda kure kupfuura kushongedzwa kwakapusa uye signage, asi rinopinda mukati memazinga ese ekudzivirira kwepombi uye kuita optimization.

(1) Kudzivirira ngura uye ngura

Mapombi esimbi anowanzoita ngura uye ngura munzvimbo dzine hunyoro, acidic kana alkaline. Izvi hazvizongopfupisa hupenyu hwesevhisi yepombi, asi zvakare zvinogona kutungamira mukudonha kwepombi, zvichikonzera njodzi dzakakomba dzekuchengetedza uye kusvibiswa kwezvakatipoteredza. Pipe pendi inogona kuumba jira pamusoro pepombi kuti iparadzanise yekunze nharaunda chipingamupinyi, zvinobudirira kudzivirira unyoro, okisijeni uye zvinoparadza zvinhu uye simbi yakananga kusangana. Pakati pavo, anti-rust pigments, senge dzvuku lead, zinc poda, nezvimwewo, inogona kuita kemikari nepamusoro pesimbi kuti iite yakagadzika dhizaini yemakomponi, ichiwedzera kuwedzera anti-rust effect. Nenzira iyi, pende yepombi inononoka nzira yekuora uye ngura, inowedzera zvakanyanya hupenyu hwebasa repombi, uye inoderedza mutengo wekugadzirisa nekutsiviwa nekuda kwekukuvara kwepombi.

(2) Wedzera kusamira kwemamiriro ekunze

Iyo pombi yakazarurwa kunze inotarisana nemuyedzo wemamiriro ekunze akasiyana-siyana, kuratidzwa kwezuva kuchaita kuti jira racho richembe uye ripere, kunyura kwemvura kunonetesa kunamatira kwejira, uye kuchinjika kwekutonhora nekupisa kuchaita kuti pombi iwedzere uye kuderera, nokudaro kukanganisa kuvimbika kwejasi. Pendi yemhando yepamusoro yepombi ine yakanakisa yemamiriro ekunze uye inogona kuchengetedza yakagadzikana kuita mukushanduka kwemamiriro ekunze kwenguva refu. Kuumbwa kwaro kwakakosha kunoita kuti irambe ichipikisa ultraviolet mwaranzi, kudzivirira kuvhara kuchembera uye embrittlement; Panguva imwecheteyo, kumira kwakanaka kwemvura kunovimbisa kuti mvura haipindi mukati mekuputira, kudzivisa kuparara kwesimbi yepasi. Munguva yechando inotonhora, pende yepombi inogona kumira kusimba kwekushisa kwakadzika, pasina kuputika uye kuputika; Muchirimo chinopisa, inogona kunyatso kupisa kupisa, kuderedza kuwedzera kwekushisa kwemukati kwepombi, nokudaro kuderedza kushushikana kwekushisa kwezvinhu zvepombi uye kuve nechokwadi chekushanda kwakachengeteka kwepombi.

(3) Kuzivikanwa uye yambiro

Muhurongwa hwemapaipi hwakaoma, mapaipi ezvinangwa zvakasiyana anofanirwa kusiyaniswa nemavara akajeka kuitira kuti vafambisi vagone kukurumidza uye nemazvo kuaziva nekuatonga. Semuenzaniso, mapaipi egasi anowanzo kupendwa yero kunyevera nezve njodzi dzinogona kuitika uye zvakakosha zvekushandisa zvinodiwa; Mapombi emoto akapendwa zvitsvuku kuti ave nechokwadi chekuti anogona kuwanikwa nekukurumidza uye kushandiswa munjodzi. Mukuwedzera, pendi yepombi inogonawo kuwedzera zviratidzo zvinotarisa maziso munzvimbo dzine ngozi, nzvimbo dzakanyanya kumanikidzika kana zvikamu zvakakosha zvekushanda, zvakadai se "high pressure ngozi", "usabate" nezvimwe zvakadaro. Izvi zviratidzo hazvigoni kungoyeuchidza vashandi kuti vateerere kuchengeteka, kudzivisa misoperation, asiwo kupa ruzivo rwakakosha kune vashandi vekununura mumamiriro ezvinhu ekukurumidzira, kukurumidza kukurumidza kurapwa kwekukurumidzira, uye kuderedza kurasikirwa kwenjodzi.

(4) Kuvandudza aesthetics

Kunyangwe runako rwusiri iro basa repakati rependi yepombi, yakachena, yunifomu, ine mavara akajeka inogona kuwedzera kutaridzika kwese kwepombi system. Munzvimbo dzeindasitiri, yakamira uye yakabatana pombi pendi inogona kuratidza danho rekutonga uye mufananidzo wemabhizinesi; Munzvimbo dzavose, dzakadai semigwagwa yeguta, nzvimbo dzinogara vanhu, zvichingodaro, pendi yepombi yakaisvonaka inogona kuderedza kutsvikinyidzana kunooneka ndokuita kuti mhoteredzo ive yakachena uye yakarongeka. Pamusoro pezvo, chitarisiko chakanaka chinogona kuwedzera chivimbo cheveruzhinji uye kugutsikana nezvivakwa uye kuwedzera kunaka kweguta.

2, mhando uye hunhu hwepaipi pendi

Kune akasiyana-siyana epipeline pendi, imwe neimwe iine yakasarudzika maitiro uye mashandisirwo ekushandisa kusangana nedziviriro zvinodiwa zvemapaipi akasiyana munzvimbo dzakasiyana uye mamiriro ekushanda.

(1) Pendi inorwisa ngura

Anti-rust pendi ijasi rinonyanya kushandiswa kudzivirira ngura yesimbi, uye ndeimwe yeakakosha machira ekudzivirira pombi. Iyo inowanzo ine yakakosha anti-ngura pigments uye additives, iyo inogona kuumba dense inodzivirira firimu pamusoro pesimbi, ichivharira kusangana pakati peokisijeni, mwando uye inoparadza media uye simbi, kuitira kuti ibudirire inhibisa kuitika kwe ngura.
Pendi yekudzivirira ngura inonyanya kukamurwa kuita zvikamu zviviri: pendi ine mafuta inorwisa ngura uye pendi yemvura inodzivirira ngura. Oil-based anti-rust pendi ine organic solvent seyakanyungudika, ine hunhu hwekuwomeswa nekukurumidza uye yakanaka anti-rust performance, asi nekuda kweiyo yakakwira volatile organic compounds (VOC) zvirimo, ine chimwe chinokanganisa nharaunda uye hutano hwevanhu. saka kushandiswa kunoenderana nezvimwe zvirambidzo. Kusiyana neizvi, mvura-based anti-rust pendi inoshandisa mvura seine diluent, iyo ine zvakanakira kuchengetedza kwezvakatipoteredza, kuchengeteka, uye kwete nyore kupisa, uye inosangana nezvinodiwa zvemazuva ano mitemo yezvakatipoteredza. Zvisinei, nguva yayo yekuomeswa inenge yakareba, uye kushanda kwayo kwe-anti-rust kunogona kunge kwakanyanyisa kudarika iyo yemafuta-based anti-rust pendi mune dzimwe nguva.
Panyaya ye-anti-rust pigments, yakajairika dzvuku lead, zinc poda, zinc phosphate uye zvichingodaro. Pendi yakatsvuka inorwisa ngura ine yakanaka anti-rust effect, asi nekuti mutobvu mutsvuku une lead, unokuvadza nharaunda uye nemuviri wemunhu, wakaganhurwa zvishoma nezvishoma. Zinc poda inodzivirira ngura pendi inoshandisa electrochemical kudzivirira zinc, iyo inogona kupa yenguva refu inoshanda yekudzivirira ngura yekudzivirira kwesimbi, kunyanya yakakodzera nharaunda yeMarine uye dzimwe nguva dzinoparadza. Zinc phosphate anti-rust pendi inopindirana nesimbi pamusoro kuti iite yakagadzikana phosphate inodzivirira firimu, ine yakanaka anti-rust properties uye kudzivirira mvura.

(2) Anti-corrosion pendi

Anti-corrosion pendi ijasi rakagadzirirwa kurwisa kukukurwa kwemakemikari zvinhu, uye rinotora basa rakakosha mukudzivirira kwepombi mumakemikari, peturu, kuchenesa tsvina uye mamwe maindasitiri. Zvinoenderana neyakasiyana corrosion media, anti-corrosion pendi inogona kupatsanurwa kuita acid-resistant pendi, alkali-resistant pendi, munyu-spray pendi uye mamwe marudzi.
Acid-resistant pendi inonyanya kushandiswa kurwisa kuora kwezvinhu zvine acidic, senge sulfuric acid, hydrochloric acid uye zvichingodaro. Magadzirirwo anowanzo ane acid-inodzivirira resins uye akakosha mafirita anochengetedza kutendeseka uye kugadzikana kweiyo yekuputira munzvimbo dzine acidic. Alkali inodzivirira pendi ndeye alkaline zvinhu, senge sodium hydroxide, potassium hydroxide, nezvimwewo, ine yakanaka alkali resistance. Pendi isingapiriviri munyu ndeyekutarisana nekukukurwa kwemunyu munzvimbo dzemahombekombe kana nzvimbo dzeMarine, kuburikidza nechimiro chakasarudzika uye mapigment anodzivirira ngura, zvinodzivirira kudzivirira kuiswa kwemunyu nekuora pamusoro pepombi.
Paunenge uchisarudza anti-corrosion pendi, zvinodikanwa kunyatso funga nezvepakati, tembiricha yekushanda, kudzvanywa uye zvimwe zvinhu zvekufambisa kwepombi. Semuyenzaniso, mupombi yekemikari, kana kutakura kwacho kuchikuvadza zvakanyanya makemikari, zvinodikanwa kuti usarudze pendi yeanticorrosive ine yakanakisa kemikari kuramba, uye sarudza inoenderana resin rudzi uye pigment zvinoenderana nemhando chaiyo yekemikari.

(3) Pendi yepamusoro inodzivirira kupisa

Mune mamwe akakosha maindasitiri ekushandisa, senge pombi dzekupisa, pombi dzechoto dzemaindasitiri, pombi dzekupedza injini, nezvimwewo, mapaipi anofanirwa kushanda kwenguva yakareba munzvimbo yekupisa. Pendi yepamusoro inodzivirira kupisa inogadzirwa kuti isangane nezvinodiwa izvi.
Pendi yepamusoro inodzivirira kupisa inogona kuchengetedza kugadzikana kwejasi pasi pemamiriro ekushisa kwepamusoro, pasina kupfava, kuyerera, kudonha uye zvimwe zviitiko. Zvikamu zvaro zvikuru zvinosanganisira tembiricha inodzivirira resin, kupisa inodzivirira pigment uye inoshanda mafirita. Silicone high tembiricha inodzivirira pendi imhando yakajairika ine yakanakisa kupisa tembiricha uye inogona kushandiswa kwenguva yakareba mutembiricha ye200 ° C kusvika 600 ° C. Inorganic silicon yakakwirira tembiricha pendi inogona kumira tembiricha yepamusoro, kusvika 800 ° C. kana kunyange kupfuura 1000 ° C, asi kushanduka kwayo uye kunamatira kune zvishoma.
Kuti uve nechokwadi chekuita kwependi yekupisa kwepamusoro, pretreatment yakasimba inodikanwa pane pombi yepasi isati yavakwa kubvisa oiri, ngura uye oxide. Panguva imwecheteyo, panguva yekuvaka, kutarisisa kunofanirwa kubhadharwa kudzora ukobvu uye kuenzana kwejasi kudzivirira kuitika kwenzvimbo yakawandisa kana kutetepa.

(4) Pendi inodzivirira

Kune mapaipi anofambisa magetsi kana anoshandiswa mumidziyo yemagetsi, senge machubhu ekudzivirira tambo, transformer housings, nezvimwewo, kushanda kwekudzivirira kwakakosha. Insulating pendi inogona kuumba yakanaka insulating layer pamusoro pepombi, kudzivirira kubuda kwazvino, uye kuve nechokwadi chekushanda kwakachengeteka kwemidziyo yemagetsi.
Insulating pendi inowanzo umbwa nesynthetic resin, solvent uye insulating filler, uye ine yakanaka insulation resistance, voltage resistance uye hunyoro kuramba. Yakajairika insulating pendi inosanganisira alkyd insulating pendi, polyester insulating pendi, epoxy insulating pendi zvichingodaro. Paunenge uchisarudza insulating pendi, zvinodikanwa kunyatso funga zvinhu zvakaita semagetsi ekushanda, shandisa nharaunda uye zvinodiwa zvepombi.

(5) Pendi yekudzivirira kwezvakatipoteredza

Nekuenderera mberi kwekuvandudzwa kwekutarisisa kwepasirese kuchengetedzwa kwezvakatipoteredza, pendi ine hushamwari pombi yave nzira yekusimudzira yemusika. Rudzi urwu rwependi runoderedza kuburitswa kweavolatile organic compounds (VOC) mukugadzira nekushandisa maitiro, inoderedza kusvibiswa kwenzvimbo yemhepo, uye zvakare inoderedza njodzi yehutano kune vashandi vekuvaka nevashandisi.
Pendi yekudzivirira kwezvakatipoteredza inonyanya kusanganisira pendi yakavakirwa pamvura, pendi yakasimba yakasimba uye pendi isina solvent uye mamwe marudzi. Pendi yemvura inoshandisa mvura seyakanyungudika, haina organic solvent, ine zvakanakira kuchengetedza kwezvakatipoteredza, kuchengetedzwa, isingabatike uye zvichingodaro. Nokuwedzera zvinhu zvakasimba mupende, kushandiswa kwezvinonyungudutsa kunoderedzwa, nokudaro kuderedza kubudiswa kweVOC. Pendi isina solvent inenge isina solvent uye ine yakanakisa yemuviri nemakemikari zvivakwa, asi zvinodiwa zvekuvaka zvakakwira.
Pendi yekuchengetedzwa kwezvakatipoteredza haisi yakanaka chete mukuchengetedzwa kwezvakatipoteredza, kushanda kwayo kunoramba kuchivandudza, kunogona kuzadzisa zvinodiwa zvekuchengetedzwa kwemapaipi akasiyana-siyana, uye yakapa rubatsiro rwakanaka mukusimudzira budiriro.

3. kusarudzwa kwepipeline pendi points

Kusarudza iyo yakakodzera pombi pendi ndiyo kiyi yekuve nechokwadi chekudzivirira uye hupenyu hwebasa hwepombi. Paunenge uchiita sarudzo, zvinhu zvakawanda zvinoda kutariswa kuti zvienderane nezvinodiwa zvepombi munzvimbo chaiyo uye mamiriro ekushanda.

(A) kushandiswa kwenzvimbo yepombi

Mamiriro ezvakatipoteredza epombi ndiyo inonyanya kukoshesa pakusarudzwa kwepende yepombi. Mamiriro ezvinhu akasiyana ane zvinodiwa zvakasiyana pakuita kwekuputira.
Kana iyo pombi yakaiswa munzvimbo ine hunyoro yepasi pevhu, semapombi etsvina, mapaipi egasi epasi pevhu, nezvimwewo, zvinodikanwa kusarudza pendi ine hunyoro hwekudzivirira uye kusagadzikana kwekuora. Rudzi urwu rwependi kazhinji rune simba rakanakisa rekudzivirira kwemvura uye kushomeka kwemakemikari, izvo zvinogona kudzivirira zvinobudirira kukukurwa kwemvura nemakemikari muvhu repasi.
Pamapaipi akaiswa kunze, semapaipi ekupisa pamusoro, mapaipi emafuta, nezvimwewo, anofanirwa kushingirira kuedzwa kwezvinhu zvakasikwa zvakaita sekupiswa nezuva, kukukurwa kwemvura, kukukurwa kwemhepo nejecha. Nokudaro, pende yepombi ine kumira kwakanaka kwemamiriro ekunze uye kupfeka kusagadzikana kunofanira kusarudzwa kuti ive nechokwadi chokuti chifukidzo chinoramba chakasimba mumamiriro ekunze kwenguva refu.
Kana iyo pombi iri munzvimbo yakanyanya tembiricha, senge mapaipi echoto cheindasitiri, mapombi emagetsi emagetsi emhepo, nezvimwewo, ipapo pendi inodzivirira tembiricha ndiyo yakanyanya kunaka sarudzo. Iyi pendi inogona kuchengetedza hunhu hwayo hwemuviri uye makemikari pakupisa kwakanyanya, kudzivirira pombi kubva pakukanganisa, ngura uye mamwe matambudziko nekuda kwekupisa kwakanyanya.

(B) Zvinhu zvinotakurwa nemapaipi

Izvo zvinhu zvinotakurwa nepombi zvinewo zvakakosha pasarudzo yependi yepombi. Zvinhu zvakasiyana zvakasiyana siyana zvemakemikari uye zvemuviri, izvo zvinogona kukonzera ngura, kupera kana kupfeka papombi coating.
Kana pombi iri kutakura zvinwiwa zvinoparadza, senge maasidhi, alkali, munyu, nezvimwewo, saka unofanira kusarudza pendi inodzivirira kupisa inogona kumira nekukukurwa kwemakemikari anoenderana. Semuenzaniso, pombi inotakura sulfuric acid inofanirwa kushandisa pendi isingaite acid, uye pombi inotakura sodium hydroxide solution inoda kushandisa pendi isingaite alkali.
Pakutapurirana kwezvinhu zvinopfuta uye zvinoputika zvakaita seoiri negasi rechisikigo, pamusoro pekutarisa mashandiro e-anti-corrosion, zvinodikanwawo kusarudza pendi yepombi ine yakanaka anti-static performance kudzivirira kuunganidzwa kwemagetsi akamira kubva pakukonzera moto. kana tsaona dzekuputika.
Kana iri pombi yekudya kana yekunwa yemvura, sarudzo yependi yakanyanya kuomarara, inofanirwa kushandisa isiri-chepfu yekudzivirira yependi inosangana nehutano, kuve nechokwadi chekuti zvinhu zvinotakurwa hazvina kusvibiswa, kuchengetedza hutano nekuchengetedzeka kwevanhu. .

(C) Mamiriro ekuvaka

Mamiriro ekuvaka ane pesvedzero yakananga pakusarudza nekuvaka mhedzisiro yependi pendi. Nzira yekuvaka, kufefetedza kwenzvimbo yekuvakira, uye zvinodikanwa zvekurapa pamusoro zvese zvinhu zvinofanirwa kutariswa.
Mapendi akasiyana epombi akakodzera nzira dzakasiyana dzekuvaka. Semuenzaniso, mamwe mapendi akakodzera kubhurashi nekuda kwepamusoro viscosity uye anogona kusungirirwa zvakafanana pamusoro pepombi pasi pechiito chebhurashi; Mamwe mapendi anonyanya kukodzera kupfapfaidza nekuti anoumba akaonda, ane yunifomu coating.
Kufefetedza kwenzvimbo yekuvaka kunokoshawo. Munzvimbo dzisina mhepo isina mhepo, pendi ine yakaderera volatile organic compounds (VOC) zvemukati zvinofanirwa kusarudzwa kudzikisa kukuvadza kune hutano hwevashandi vekuvaka uye kusvibiswa kune nharaunda.
Mukuwedzera, zvinoda kurapwa kwepombi pamusoro zvichakanganisawo kusarudzwa kwepende. Kana pamusoro pepombi pakaita ngura zvakanyanya kana kuti pane zvinosvibisa zvakaita seoiri, zvinodikanwa kuti usarudze pendi yepombi iyo inogona kuramba yakanamatira zvakanaka pasi pemamiriro ekunze asina kunaka, kana kuomesera kwepasi kusati kwavakwa.

(D) Budget

Paunosarudza pende yepombi, bhajeti zvakare chinhu chisingagoni kuregererwa. Mutengo wemhando dzakasiyana uye mhando dzependi yepombi inosiyana zvakanyanya, saka zvinodikanwa kusarudza zvine musoro maererano nebhajeti pasi pechigadziro chekusangana nezvinodiwa zvekudzivirira.
Kazhinji, pendi dzepombi dzepamusoro dzinodhura, asi dzinogona kupa hupenyu hurefu hwebasa uye kuchengetedzwa kuri nani. Kana bhajeti iri shoma, unogona kusarudza zvimwe zvigadzirwa zvinodhura, asi iva nechokwadi chokuti kushanda kwayo kunogona kuzadzisa zvinodiwa zvekudzivirira zvepombi.
Panguva imwecheteyo, inofanirwawo kufunga nezvekuchengetedza mari yepende yepombi. Mamwe emhando yepamusoro pombi pendi, kunyangwe mari yekutanga yakakwira, inogona kunge iri hupfumi mukufamba kwenguva nekuda kwekusimba kwavo kwakanaka uye kuderera kwekugadzirisa frequency.

4, tekinoroji yekuvaka yependi pendi

Chaiyo tekinoroji yekuvaka ndiyo yakakosha link kuti ive nechokwadi chekudzivirira chependi pendi. Chete nekunyatsotevedzera maitiro ekuvaka akajairika tinogona kuve nechokwadi chekuti kunaka uye kuita kwejasi kunosangana nezvinangwa zvinotarisirwa.

(1) Kurapwa kwepamusoro

Kurapa kwepamusoro ndiyo nhanho yakakosha yekuvakwa kwependi pendi, uye hunhu hwayo hunokanganisa zvakananga kunamatira uye kudzivirira maitiro ejasi.
Pamberi pekurapa kwepamusoro, pamusoro pepombi inoda kunyatsocheneswa kubvisa zvinosvibisa zvakaita seoiri, huruva, ngura, uye oxide. Kune mapaipi ane ngura zvakanyanya, kurapwa kwekubvisa ngura kunowanzoitwa nejecha, pickling, kugaya uye dzimwe nzira. Kuputika kwejecha inzira yakajairika yekubvisa ngura, inobvisa ngura uye oxidation layer nekurova pamusoro pepombi nejecha zvidimbu zvakapfapfaidzwa nekumhanya kukuru, kuitira kuti pamusoro pasvike kumwe kushata uye kuwedzera kunama kweiyo. Pickling iko kushandiswa kweasidhi mhinduro yekunyungudutsa ngura uye oxide pamusoro pepombi, asi zvakakosha kuterera kune neutralization kurapwa uye kugeza mushure mekunhonga kudzivirira iyo yakasara asidhi kubva mukukonzera gora kwechipiri kune pombi. Kukuya kunokodzera ngura yemunharaunda kana nzvimbo diki yekurapwa kwepamusoro.
Mukuwedzera pakubvisa ngura, zvinodiwawo kubvisa mafuta neguruva pamusoro pepombi. Nzira dzakadai sekuchenesa zvinonyungudutsa, kuchenesa lye kana kukwirisa mvura yekumanikidza inogona kushandiswa. Mushure mekunge kurapwa kwepamusoro kwapera, kunofanirwa kutariswa nenguva kuti ive nechokwadi chekuti pombi yepamusoro inosangana neyakatsanangurwa kuchena uye roughness zvinodiwa.

(2) Pre-coating

Pre-coating ndiyo maitiro ekutanga-kuputira zvikamu zvepipeline zvakaoma kupendesa, zvakadai seweld, kona, bhauti yekubatanidza.
Nekuda kwechimiro chakaomarara, zvikamu izvi zvinosangana nezvinetso zvakaita sekupfava kutetepa uye kushayikwa kwekupotera mune yakajairika pendi maitiro, saka vanofanirwa kurapwa pachine nguva. Iyo pende inoshandiswa mu-pre-coating inofanira kunge yakafanana neyokuputira kukuru, uye kuvakwa kunofanira kuitwa nebhurashi kana pfuti duku yekupfapfaidza kuti ione kuti zvikamu izvi zvakachengetedzwa zvakakwana.

(3) Kupenda

Painting ndiyo yepakati link yekuvakwa kwepombi pendi, zvinoenderana nerudzi rwepombi pendi uye zvinodiwa zvekuvaka, sarudza nzira yakakodzera yekupenda.
Brush coating inzira yechinyakare yekupfekedza, yakakodzera nzvimbo diki, yakaoma chimiro chepombi kana kugadzirisa kwenzvimbo. Paunenge uchishandisa bhurashi, teerera kune kuoma uye hupamhi hwebristles, pamwe nekutungamira uye simba rebhurashi, kuve nechokwadi kuti kupfeka kwakafanana uye hakuna kubuda.
Roller coating inokodzera nzvimbo hombe yepombi yakatsetseka, inogona kuvandudza kugona kwekuvaka, asi ukobvu hwekuputira hushoma.
Roller coating inokodzera nzvimbo hombe yepombi yakatsetseka, inogona kuvandudza kugona kwekuvaka, asi ukobvu hwekuputira hushoma.

Nezvedu

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