Ntoa le decibelami

Anonim

Windows E sirelletsang: Litsela tsa ho ntlafatsa tšibollo ea molumo, mefuta ea moralo oa mefuta-futa ea lerata, ho bina mosebetsi

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Megalopolis ea kajeno, ho thata ho fumana k'honeng e khutsitseng. Maobane a sa tsebeng letho kajeno a holim 'a ho sisinyeha ho tšoana le litsela tse kholo. Le mabaleng a hanang poloko e tsoang lerata la lipalangoang, haholo e bile barati ba ho khanna sephethephethe sa sephethe-phethe libakeng tsa maoto. Toropo ha e kokote thapama bosiu, ho ba le khatello ea maikutlong ha rona. Kschast, re khona ho sireletsa lehae la rona ka koloing le molumo o mong oa literateng - o hloka feela ho fumana lifensetere tsa moralo o khethehileng.

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Veka o lula a kopana le maikutlo a hore ho lekane ho reka lifensetere tse ntle tsa sejoale-joale - ka lifensetere tsa polokelo ea mantsoe a mabeli, le bothata ba tokollo e phahameng li tla rarolloa ka boyena. Empa ha ho joalo. E ikemetse Europe le Marang-rang a United States Ha li na nako e telele, hoo e ka bang bohareng ba 600s., Sheba karolo e arohaneng. AU ea rona polelo ena e se e sebelisoa haholo lilemong tsa morao tjena. Lifensetere tse sirelelitsoeng tse sirelelitsoeng li bitsoa lifensetere tsa mefuta e fapaneng ea moralo o khonang ho fana ka molumo ho feta 30dba (acousba (acousti (acousti (acoustic deble), ka linako tse ling o fihla ka litekanyetso tsa bohloeki (45 -50dba). Litabeng tsa botle, tse hatisang mocheso le mokhoa oa ts'ebetso ea fensetere, ntlafatso ea litheko tse nepahetseng ha li ama haholo ho ama eseng ho ama hanyane hanyane. Meralo ee ke efe?

Mothating o ka pele

Karolo ea sehlooho ea Window ea tšireletso ea lerata ke khalase e ikhethang e ikhethang. Ntle le moo, ke bareng ea khalase ea tse fetang 80% ea sebaka sa fensetere 'me ke ka nako e ts'oanang karolo e fokolang haholo ea eona.

Boemo ba boikhohomoso bo hlokahalang

Ho latela Snip 23-03-2003 "Tšireletso ea lerata, tšobotsi ea sehlooho ea lerata e lekana le molumo oa lakekv ho tloha axis ea motsamao oa pele. Boholo ba sesupo sena, ka mohlala, ho Moscow Avenux Avenursky Avenue (sebakeng sa ARC de Triompi), ho latela data ea morao-rao, - 78DBA. Lebenkele la mathune ke lerata ka mokhoa o pharalletseng ka makhetlo a mangata, 'me maqhubu a mafura a maholo a busa, bokhoni bo otlolohileng ba seo se phahametseng haholo. Le fensetere e ntle ka ho fetisisa ea molumo e na le rantran e sa keneleng molumo. Empa eseng phahameng ho feta 48DBA. Empa sena se lekane. Taba ke hore e akaretsang "semelo sa mehleng ea rona toropong ke 25-30dba. Ha ho potang hore re se ke ra e hlokomela, hobane ba se ba tloaetse, 'me haeba ka boomo ba tla "tima", ba ikutloe bohloko. E ne e le ho sena hore baetsi ba stip 23-03-2003 ba felletse, ba beha melao ea kantle ho litheko tsa temana: 'me ba lokela ho fokotsa "bophahamo" ba tsela e phahameng. Inliccom le tokomane ena, haeba Laekev sebakeng se seterateng haufi le ntlo e le 65DB, fensetere e tlameha ho ba le 15dba; Le Laekv, palo ea 70stbe, 20DBba I.D. Tlhokahalo e phahameng haholo bakeng sa Setsi sa molumo se bontšitsoeng ho Snip - 35DBA (maemong a ho tsamaisa lerata ho feta 80DBA). Hlokomela hore litloaelo tsa shp li na le nako ea ho khona ho mamella: Lipehelo tsa sejoale-joale li u lumella ho fana ka matšeliso a phahameng ka phapusing e batlang e le oa 30-35db.

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Foto ea 1.

Sehlopha sa phaello.

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Foto ea 2.

Sehlopha sa phaello.

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Foto 3.

Yucco

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Foto 4.

Foto v. logo

1-2. Sisteme ea naha ea TrocAl e u lumella ho sebelisa khalase e halikiloeng habeli ho 40MP, 'me setsebi sa KBA (2) se tlama ho 58mm).

3. E le hore molumo o kenelle ka har'a li-slots sebakeng sa leoatleng se chesang, e sentse e na le foam ka mekhahlelo e 'meli: pele kantle.

4. Ho tloha lehlakoreng la seterata, polyurethane ea Polyurethane e sirelletsa khahlanong le mongobo le mahlaseli a kotsi ka poleto kapa lipolanete.

Theha moralo o tšoaroang, o tla atamela ho tebela ka litšobotsi tsa eona tse ka ho punchuas tse khothatsang, ho thata haholo. Ntle le moo, ha ho na mokhoa o mong oa ho opeloa ke ho tantša khalase ea ho falima khalase ea boqapi ba translucent. Khalase - Lihlahisoa tsa Acoustic Tse Matlafatsang: Ha le abe, 'me ha e bue,' me e beha maqhubu a molumo, empa tlasa litlamorao tsa bona 'me a potlakela ho phahamisa lerata ka phapusing. Tlhahisoleseling ea molumo (R) ea molumo o le mong ea nang le khalase e tloaelehileng e nang le boholo ba 4mm e nyane, ke 20-25DB feela. Keketseho ea palo ea likhalase le botebong ba bona ha e tlise litholoana tse bohlokoa. Kahoo, ho ea ka liphetho tsa liteko tse entsoeng ke liteko tsa moralo le tsa moralo oa boqapi "lifensetere tsa khalase tse ka sehloohong le tse peli. AVOTC M Mass a Sash mme, ka hona, mojaro ka lisebelisoa, likarolong tsa eona li eketseha ka nako e le 'ngoe. Leha ho le joalo, banna ba bontšoa ho fumana tsela ea ho tsoa, ​​eseng e 'ngoe, empa e mengata. Ho fihla joale, ho na le mekhoa e meraro ea mantlha ea ho eketsa likhakanyo tsa lifensetere tse habeli.

1. Tlosa symmetry. Ho ithuta Sekolong sa lithuto tsa fisiks, phello ea Ronsance, beha phihlelong e latelang. Lithabeng tse peli li leketlile motšehare tse peli haufi le e mong. Pendulums e ntlafalitsoeng e hokahanya selemo se fokolang sa koporo le ho hlahisa tsamaiso ea teka-tekano - ho bua feela, ho sutumetsa e 'ngoe ea lintho tse seketlileng. Selemo se fetoletsoeng khoeli le thepa ea bobeli, ka bobeli, pendulum swing, ka mokhoa o fapaneng o fetola takatso ea ossillation - haholo li-beats. Ts'ebetso ena ha e leke nako e telele haholo. Empa e bohlokoa ho fetola e 'ngoe ea e' ngoe ea thepa kapa bolelele ba khoele, moo ho emisitsoeng ka potlako (ka tšusumetso e tšoanang). Phokotso ena ho Consunce ea ho tlola ka symmetry ea symmetry mme o nkile qeto ea ho sebelisa li-afseners tsa khalase. Ho aroloa ka sefefo se nang le moea o mongata haholo (4mm) o arotsoe ke likamore tsa moea tse lekanang (6-12mm). Haeba u fetola botenya ba e 'ngoe ea lifofane (ka mantsoe a mang, nka lifofasi tse peli tsa bophara), molumo oa molumo oa sephutheloana sa khalase o tla eketseha ka 2-3dba. Ho molemo le ho feta ho etsa likhalase tsa likhalase tse le 'ngoe kapa tse peli tsa chambers indocker thicker (5-6). Leqhubu la molumo le thatafalloa ho "cheka" tšitiso e joalo, 'me ka lebaka la ho teneha ha menoana (ha ho bapisoa le li-st tse lekanang tse 3,5 st .

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Foto 5.

Yucco

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Foto 6.

Yucco

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Foto ea 7.

Tiivi.

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Foto ea 8.

"Fensetere ea 'nete"

5-6. Fesetere ka Windows e nang le asymmetric e halikiloeng (5) ho fana ka thomello e nepahetseng ho fihlela la 33Pad. Ho latela lipalo tsa pele, folap e eketsehileng e nang le khalase e teteaneng (6) e tla kenyelletsa letšoao lena la 5-6db.

7-8. Fesetere ka Sash (7) Ho bonolo ha ts'ebetso ha e phahame ho Euro-2), empa e e feta ka lehlakoreng le phahameng le lefmmetric glazing.

Sebelisa likhase tse kahare. Joalokaha u tseba, libakeng tse fapaneng, molumo o ajoa ka tsela e fapaneng, 'me ka vacuum ha e hlahe ho hang. Likopano tsa kahare "li etsa" molumo o mpe le ho feta moeeng, 'me ke karolo e nyane feela ea Masculations ea kantle e fetisitsoeng ho khalase e kahare. Sephetho se setle se ka fihlelleha ha u tlatsa motsoako oa khalase oa Argon (70%) le sulfude sulfur (30%). Phokotso e eketsehileng ho lerata ke 2.5-4db. Leha ho le joalo, lilimahalong tse ka sehloohong li fumaneha ka bongata ba 250-3000 HZ, ka makhetlo a tlaase, ho hlophisoa ha molumono ebile ho fokotseha hanyane. Ho tla le ka bosoasoi le le leng la bo-bong bo kang botala le komporong e matla - etsa hore mofuta o moputsoa o tsoile, kamore, kamore e tla chesa haholo ka letsatsi.

3. Ho sebelisoa hara triplex. Triplex ea kaho e entsoe ka likhalase tse peli tsa sililate (3-6), li ba ruisa ka filimi e khethehileng kapa ea Resin. Sehlahisoa se joalo ka lebaka la mathata a polymer a ne a ipaka le ho feta 30-60% e ntle ho feta khalase e nang le bophahamo bo tšoanang, 'me e sebetsa hantle haholo ka maqhubu a tlase. Ho bulela triplex yuniti ea khalase e fana ka sephetho se setle sa phallo ea fensetere ea fensetere e kentsoeng ka 4-5db e hlahisoa ke linako tse phahameng feela.

Threeng o monate

Hlahisa likarolo tse tharo tsa khalase tse tharo ho mahlale a mabeli. Mokhoa oa pele, khalase e beiloe hantle ka filimi (polyvinylbitolioralbunal kapa rabara ea silicaral) ka botenya ba 3-6 μm. Nyeoe ea bobeli, sebaka se pakeng tsa likhalase tse tlalehiloeng ke mofuta o khethehileng oa hole o tšolleloa ke monomer ea nang le bobebe (e li abela.d.). Karolo e hlahisitsoeng ea botenya ba filimi (7-8 μm) 'me e molemo ho vibrar ea khalase. Ke 'nete hore ho thoe lifilimi tsa Acoustic li ile tsa qala ho hlaha hamorao (karolo ea tsona ea moetsi oa hau) - khalase ea Glaverbel (Belgium), khalase ea Saint-Gobain (France). Ka katleho, ha ba phahame ho ea polokelo eo.

Mekhoa e thathamisitsoeng hangata e kopantsoe, e le mehlala, mochini oa khalase ea Asymmetric o entsoe 'me o tla e tlatsa ka khase ea mehele. Leha ho le joalo, polelo e reng, "Podrige ha e senyehe" ntlheng ena ha ho nepahala kamehla. Mohlala, ho odara khalase ea khalase ea khaba e nang le literata tse ntseng li eketseha, sebaka se pakeng tsa likhalase se molemo ho etsa maemo a ho ntlafatsa le ho fokotseha ho lerata insulation. Hoa hlokahala ho nahanela paramente e joalo e le bongata ba sephutheloana sa khalase. Haeba e le kholo haholo (Kamore e habeli e nang le triplex), lifensetere tsa dash ka nako e ka bolokoa.

Khoeling ea bobeli ea Echelon

Matsatsing ana, merero ea limela ea makhasi le mabokose a entsoe haholo ka lintlha tsa polasetiki. Ba morao ba ikarabella bakeng sa ponahalo ea fensetere le ts'ehetso ea eona ea ts'ebetso, ka tekanyo e itseng ea mocheso o hanyehang le ka mokhoa o sa touoeng mocheso o haneloang haholo. Ka hona, ha ua lokela ho lumela polelo ea barekisi e mabapi le "li-profiles tse khutsitseng haholo. Leha ho le joalo, lifefo ea lifensetere tsa ts'ireletso, e ne e sebelisoa haholo ke kamore e meraro, 'me ha e sebelisoa haholo-holo ea kopano ea likopano tse hlano ho 70mm. Sena sea hlokahala ho ba le bokhoni ba ho theha khalase e khethehileng, eo, e le molao, e batla e batla e le eona e tloaelehileng (36- 40mmm). Kschastry, boholo ba lits'ebetso tse bakiloeng ka ho fetisisa tsa "setsebi sa" sehlekehleke sa Chamber-Chandect "(Vega), SOFGA), SOFAP), S 7000 ( Gealan), moralo oa Brillant (Rehau) (Heinage), Professional, Beurga) - Ho Amohela Beick ka Bofelo ba ho fihla ho 40-44mm. Ntle le moo, maiketsetso a litsamaiso tse thathamisitsoeng li na le li-fasteners tse rekisoang hantle. Mohlala, mojaro o fetelletseng kopanong e 'ngoe le e' ngoe ea sehokelo sa sehokelo sa sehokelo, e ile ea screw kapa sash) tsamaisong ea setsebi sa kb e sa sebetseng. Empa leha ho le joalo ho molemo ho ba le setsi sa matla mme, haeba ho hlokahala, eketsa palo ea SSS kapa fokotsa boima ba sephutheloana sa khalase.

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Foto ea 9.

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Foto ea 10.

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Foto ea 11.

9. Setšoantšo sa ho its'etleha ha sethala sa khalase ho tlatsa likamore tsa eona ho emisa khase (argon) le ho feta- ho latela liphetho tsa liteko tsa laboratorika).

10. Chate ea yuniti ea khalase e tsoang kamaleng e ka fokotsang molumo ebe e sebelisoa ho moralo oa ona o meraro ea likarolo tse tharo. Triplex e sebetsa hantle haholo ho maqhubu a holimo le a tlase haholo.

11. Mokhoa o mong oa fensetere o tsoang khafetsa le thepa ea litiiso libakeng tse otloeng ha khalase ho ea -10 c).

Litšobotsi tsa khalase le lifensetere tse peli

Foromo ea T Glazing Molumo o nang le molumo, DBA Svetopropuska,% Theko 1m2, Rub.
4 (khalase ea lipalesa) mashome a mabeli 90. 410.
4 (khalase) mashome a mabeli 83. 800.
4-16-4 * 27. 80. 3600.
4-10-4-4 28. 75. 4100.
4-16-4 (AR) 32. 75. 4300.
6-16-4 32. 78. 4400.
4-6-4-12-4 33. 74. 4150.
4-10-4-16-4 33. 70. 4200.
6-10-4-10-4 (AR) 34. 74. 4700.
6-10-4-10-4 (Ar + SF6) 38. 68. 4700.
4-12-9 (ts'ireletso ea lerata la Tiplex) 42. 69. 6500.
4-10-4-10-9 (Triple-bopaki ba lerata) 44. 60. 6800.
* Metsong ea ho fifala, botenya ba khalase le suction ea moea (limilimithara (mm) tseleng e tsoang seterateng; Ke khalase - khalase ea mocheso e bolokang mocheso e nang le koae e bonolo; Ar (sf6) - ho tlatsa likamore tsa Argon (hexplessic giry).

Ho na le 'marakeng le mefuta e khethehileng ea moralo oa Windows- haholoholo ena ke lihlahisoa tse tsoang lehong. Lifensetere tse nang le likhechana tse peli (tse arohaneng le tse pakiloeng) li sirelelitsoe hantle ho tsoa lerata le ntle le ts'ebeliso ea likhalase tse khethehileng le lifensetere tse peli. Taba ke hore molao-motheo oa asymmetric o ile a lemohuoa mererong ea bona: Flap ea kantle e kentsoe khalase e le 'ngoe ea 3-4mm le ka har'a sekoaelo sa khalase. Mohlala, bophara (botebo) ba lifensetere tsa Domus (Finland - Russia) ka sush e ka ba 105-220mm. Ka mantsoe a mang, mofuta oa fensetere o fumana foromo e latelang: 3- (80-195) -4-10-4 (botenya ba khalase ho tloha seterateng) e bonts'itsoe.

Woon Piinex (Sweden) e nang le matsoallo a bolotsana le thapo ea bona ea Serus e shebahala e le khahla haholo: 4-12-4, e leng seo, ha se fetole moelelo oa taba eo. Ho ea ka baetsi ba likarolo tse 43DB e fihla ho 43DB, 'me haeba u kenya khoele e ka ntle - 50DMA (phokotso e joalo e fana ka maikutlo a lerata e fana ka a botenya ba lebota la 1.5 litene kapa sehlopha sa sampole ea lebokose). Leha ho le joalo, lipalo tsena ha li e-so tiisoe ke liteko tsa Russia. Haufinyane, lifensetere tse ncha tsa polasetiki tsa polasetiki li ile tsa hlaha 'marakeng o nang le "Aluminium ea Bobeli" Aluminium Chefo e kentsoeng ka bongata bofe, moo khalase e kentsoeng ka bongata ba 6mm. Sash ena e eketsehileng e emisitsoe ho tloha ka ntle ho ea mantlha li-hinges le ho lokisa li-Latela (moralo o pakiloeng). Ka mohlala, lihlahisoa tse joalo li fana ka Yucko (Russia): Ka mokhoa oa plantal, e sebelisa li-agis (Russia) le li-veiles tsa veka. Empa ka Ts'ebetso ea Ts'ebetso (ka ho khetheha, litšoaneleho tsa polasetiki ea lifensetere li sa tsejoe.

Sirimeter ea ts'ireletso

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Polonia Buka ea molumo e ama mofuta oa litiro tsa fensetere le liqhetsoana haholo - haholo-holo tse sebetsang libakeng tsa sehlooho tsa marang-rang le sephutheloana sa khalase. Liteko li bontšitse hore thepa e phahametseng haholoanyane, e phahameng haholo ho chesoe e kang ea molumo, e nyane e bitsang sehlōhō. Litiiso libakeng tsa libaka li le sebakeng seo li boetse li tlameha ho lula li le sieo le serapeng sa lithupa, ho seng joalo ho ne ho se matla ha fensetere e ka khathatsoa. Ho molemo ho khetha lisebelisoa tsa maiketsetso. Ka papiso le likoloi, "scyromhetic e hloekileng" (EPDM le silizone) e itšoara ka rabara ea theko e tlase haholo.

Ho hloka mekhoa e ka sehloohong ea litsamaiso tse nang le sirathe e arohaneng ebile e le paishene e ka bang makhetlo a mabeli ho feta li-pakete tse le 'ngoe tsa lerata. Kahoo khoele e le 'ngoe mabapi le meralo ea fensetere ea moralo. Liteko tse tsamaisitsoeng ke Glaverllè o ile a bontša hore keketseho ea tšebeliso e sa lokelang ho fokola ho fokotsang ho utloahala ka tsela eo ka eona e ntseng e eketseha. Mohlala, fensetere ea Mafora e silafatsa e 28551,50mm e sirelletsang lerata le nang le molumo o habeli ea 11.5, khalase e le 'ngoe ea 4m) e nang le 41db. Aesli o e arola ka tšusumetso e otlolohileng, boleng ba letšoao lena bo tla eketseha ho 43DB. Kahoo, lifensetere ka ho fokotsa khafetsa li sirelelitsoe ho feta lerata ho feta "balekane ba bona" ​​masimong a tiileng. Sepetlele sa pele, ea pele e ka hlaha hole le moo: phetoho ea ponahalo e amang polao ea moaho, le ba boholong matlo e lula e le hantle. Avtoblate mekhabisong ea mekhabisong ea mekhabiso (polasetiki le mabopo a mapolanka a ikhohomosang) a khona ho sebelisa khalase ea molumo, mekhabisong ena e arotsoe khalase, le fensetere e qala ho nkoe liketsahalong tsa bona.

Hloka podmyoga

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Lithabeng tse ling tse ngata haholo, kahara boholo ba tšireletso li ka 'na tsa se ke tsa sebetsana le mosebetsi oo. Haeba u jarolla likoloi tse haufi le ntlo ea hau le bosiu kapa ha li fulipolla melumo ea melumo ea melumo ea melumo ea melumo ea melumo ea melumo e mengata kapa ho feta ea ho netefatsa toro e khutsitseng. U lokela ho nahana ka ho kenya shutter ea ho roka. Khetha mefuta ka liphatlalatso tsa aluminium tse nang le polyurethane. Moralo joalo o tla eketsa molumo oa molumo ho tse ling tse 3-5DB. Litsenyehelo tsa pokello ea roller shund bakeng sa fensetere e le 'ngoe - ho tloha li-ruble tse sekete.

Likarolo tse ling

Litaelo tsa ho etsa liforomo tsa ts'ireletso ea lerata le etsang li-ards tse kholo tse amanang le taolo "," lifensetere tsa kholo "," fensetere ea Windows "," fensetere ea Windows "," fensetere ea Windows "," fensetere ea Window ", Yukko (kaofela - Russia). Theko ea lihlahisoa tse joalo e feto-fetoha maemong a mangata haholo. Ho ipapisitse le boitsebiso le mokhoa oa ho qeta lifoto, tse kang lifensetere tse ngata tse nang le litšila tse habeli), boholo ba fensetere le libopeho tsa eona li hlophisehile. Khetho e bonolo ka ho fetisisa e entsoe ka profaele ea li-PVC e tšoeu e nang le chelete e tšoeu ea likharetene tse peli le fensetere ea likharetene tsa chamber (4-10-4 ka ho tlatsoa hoa Argon) - e tla bitsa li-ruble tse likete tse 7-8. Bakeng sa 1m2. Ts'ebeliso ea sebaka sa Acoustic se tla eketsa palo ena ka 25-30%. Moralo oa lehong o nang le sush o le mong o theko e phahameng haholo - ho tloha li-ruble tse likete tse 9. (Pine) le ho tloha li-ruble tse likete tse 19. (oak, sefate se sefubelu) bakeng sa 1m2. Mofuta oa mofuta oa Finnishe o nang le sirash o arohaneng, o entsoeng ka likhoebo tsa Russia, a bitsa li-ruble tse likete tse 12. Bakeng sa 1m2.

Phefumoloho ea moea

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Siegeria-auubi e le hore kamora ho kenya lifensetere tsa sejoale-joale ka foleteng, ho na le mongobo o eketsehileng, ho bohlokoa ho beha valve ea semmuso. Leha ho le joalo, lisebelisoa tse joalo li ka mpefatsa likarolo tse sa pheleng tsa fensetere. Kahoo, ka motheo oa molumo oa molumo nakong ea ho kenngoa valeve ea slot e kanna ea fokotseha ka 2DB (empa tlhahiso ea bona e tlase haholo). Tlosa phetoho ena e thusa lisebelisoa tse khethehileng bakeng sa Ventlipano - Liteko tsa lerata tsa lerata. Etsa bonnete ba hore u li kenya, u hlophise lifensetere tse ncha.

Lengolo la ho qetela

Karolo ea bohlokoa ho ea batla molumo oa molumo o bapaloa ke boleng ba ho kenya le ho kenya ho kenya sem. Haeba le masapo a manyane a sebopeho se ile a lumelloa ha a kenya, pash a ka hokahana le eona. Ho phalla ha moea ho tloha semenyane sa karolo ea karolo ea leshome ea milione eo u tla ikutloa feela serame se matla, empa molumo o tla kenella ho eona le mariha. Maemong a Sekare, lekhasi le behiloeng le se le tlatsitsoe ke polyurethane Feam, ena ke inshalator e ntle le lerata la lerata. Leha ho le joalo, hoa hlokahala ho netefatsa hore lengolo la tumello le tlala bohareng ba boemo ba lebokose - ho bolokolohi ba thepa ha bo amohelehe. E le hore foam le foam le nako, ha ea ka ea timetsoa le ho sesupo se sa phenyeng, e lokela ho sireletsoa mongobo le ultraviolet. Bakeng sa sena, lithepe tse khethehileng li sebelisoa (Oven-Insulation, ho tloha ka lebaka la vaporicolys). Ho thunya teipi, ho hlokahala hore o arole matsoapong a ka hare le kantle. Hampe e ama mohopolo oa molumo o moholo haholo (o fetang 30mm) boleng ba lengolo la kopano. Fesetere e sa khone ho bula ka tieo, ka lebaka leo, e sebetsa "e le membrane le phello ea ho etsa lerata ka phapusing e ntlafatsoang.

Ho qoba lenyalo la kopano, pele ho tsohle ha baa lokela ho saena ke ketso ea ho amohela mosebetsi, e e buang ka liphetoho tse bonolo. Ikutloe u lokolohile ho etsa litletlebo, hobane u hantle. Etsa bonnete ba hore u netefatsa mosebetsi oa ho kenya: nako ea eona e lokela ho ba bonyane lilemo tse 2.

Boto ea Maiketsetso ke leboha khamphani "Profrin Russit, VAKA rus, khampani ea khalase ea Russia e tokisong ea boitsebiso.

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