Sounds na hayaniya na gida, kayan sauti na zamani kayan, hanyoyin da keveration da hatimin wuraren zama.
Amo - wani sabon tauraron dan adam na rayuwar mutum, daya daga cikin manyan masu cin mutuncinmu, m da gaji na jiki. Amma sauran matsanancin yin shiru, haka kuma, sai ya juya, bai dace ba, domin yana ci gaba da tsarin mai juyayi a kullun: Me ya sa shiru? Shin wani abu bai faru ba? Yadda za a tabbatar da halayyar hayaniya a cikin gidan?
Dakin Apoustics: Sauti da Sauti da Shan Sauti
1.Plit ya fadi
2. Tundewa ya zagi
3. Jagorar Jagora
4.puple bene
5. Satbo da Gasket mai ruwa
6-nern
7.plka
8.ltmu
9.gipsatocarton
10.svo-sha haduwa
11. Racks racks tare da fage na 600 mmnash gidan suna cike da sauti. Wannan shi ne kisan cashayar ruwa, da kuma mashigar kayan gida, da kuma gungiri, injin tsabtace, a wanke mai, waƙar wanke, cirewa, wanker Talabijin, kwandishan da kuma samun iska), da ƙari mai yawa. Bayaninsa a cikin babban chorus yayi sauti daga titi da kuma daga maƙwabta. Duk wannan tare hada-hada da ake kira hayaniya na gida. Da yake magana game da shi, ba su nufin ba daban ba, kowannensu yana sanannun ta hanyar amplitude da mita, amma nasu bakan cikin kewayon kunnenmu.
A cikin kalmar magunguna na tsarin gine-ginen gine-ginen, manufar "Acoustics" yana da tabbaci. A aikace, yana nuna maganin mafita biyu masu zaman kanta: kare dakin daga sauti daga waje da tabbatar da rarraba sautunan da yawa a ciki. Dukansu sun haɗa da rage ƙarfin raƙuman sauti, amma na farko shine lokacin da suka wuce shamaki (wannan ana kiran wannan rufin), kuma na biyu na ɗaukar hoto).
Har yanzu, Acoustics na gidaje a Rasha ba su isa ba. Da farko, saboda dalilan tanadi (bisa ga kwararrun kamfanin aikin "svenson", saboda haka farashin ginin ya ragu da sama da 30%). Abu na biyu, saboda rashin sarrafawa saboda bin ka'idar halaye game da Acastics na wuraren zama. Mataki mai amfani zuwa kawar da waɗannan dalilan da ake buƙata na 2.04-97 "Hadin kai da rufin jifa na jama'a, an ɗauka don amfani da shi a babban birnin.
Masu samar da kayan samarwa suna haɓaka kewayon samfuran su. Kokarin irin wadannan kamfanonin a matsayin Saint-Gafaba (Ecophon Shuke-shuke a cikin Finland), Danish Rockwaflex, da keran Danish Roadic, da masana'antun da aka dakatar da su na acoustic, USG, A Amf, "kayan ciki na gida", "silica", a hankali ", a hankali ne, a hankali, a hankali ya cika da kayanmu na wannan shugabanci.
Iska mai amo da amo shine tsarin
Tushen amo na iya zama babban aiki, kamar su motsi kayan daki a ƙasa ko murƙushe ƙusa a cikin bango. Irin wannan hayaniyar ake kira tsarin tsari. "Ayyuka" a kan shirin mai zuwa: Muryar ƙasa daga bangonmu, ana jin oscilations a daki na gaba. Mafi yawan hayaniyar dabara ce ta rashin hankali. Yawancin lokaci yana ba da nesa tsawon lokaci daga tushe. Bari mu ce, buga a cikin bututun mai dumama a wannan bene a wannan bene ana jin shi a kan kowa kuma mazauna garin, kamar yadda mazaunin sa ya kasance kusa. Allunan 4 na ƙarshe suna ɗauke da halayen waɗannan hayan.
Wasu kayan aikin gida sune tushen hayaniya iri biyu. Misali, tsarin fitar da iska. A iska Hoere ya ratsa dakin ta hanyar Air ducts, kuma tsarin ya faru sakamakon faruwar bangon fan da kuma iska ta datse kansu.
Sounds na hayaniya
| Tushen hayaniya | Matakin amo, DBA | |
|---|---|---|
| ɗaya | Cibiyar Music | 85. |
| 2. | Telebijin | 70. |
| 3. | Tattaunawa (Calm) | 65. |
| huɗu | Yara | 78. |
| biyar | Piano wasa | 80. |
| 6. | Aikin injin tsabtace gida | 75. |
| 7. | »Injin Wanke | 68. |
| takwas | »Gyara | 42. |
| tara | »Wikin Worelpolotera | 83. |
| 10 | »Shav lantarki | 60. |
| goma sha ɗaya | "An tilasta samun iska | 42. |
| 12 | »Kwandishan iska | 45. |
| 13 | Ruwa mai gudana | 44-50 |
| goma sha huɗu | Cinikin wanka | 36-58. |
| goma sha biyar | Tank a cikin gidan wanka | 40-67 |
| goma sha shida | Dafa abinci a kan farantin | 352. |
| 17. | Gudun hijira na exevator | 34-42. |
| goma sha takwas | Kogin ƙofar da ke rufe ƙofa | 44-52. |
| goma sha tara | Kamarin rufe masana'antar datti | 42-58 |
| ashirin | Buga a kan bututu na tsakiyar dumama | 45-60 |
Sauti da amo
A cikin Tattaunawa, ana amfani da kalmomin kusa biyu a ma'anar kalmar: "sauti" da "amo". Sauti na zahiri shine ainihin abin da ke haifar da motsi na motsi na barbashi na matsakaici. Itancin oscillation suna da takamaiman amplitude da mita. Don haka, mutum yana da ikon jin sauti da ya bambanta a amplitude a cikin dubun lokuta. A metocies da aka fahimta ta kunne a cikin kewayon daga16 zuwa 20000hz. Sautin sauti yana da alaƙa da ƙarfi (W / M2) ko matsin lamba (pa). Yanayi ya ba mu damar ji da kuma mirgine tsawa, da ɗan ragowar foliage. Don kimanta irin wannan sautuka daban-daban, mai nuna alama da matakin ƙaruwa l da kuma raka'a na musamman na ma'aunin (DB). Af, ƙafar saurayin na sauraron dan Adam ya dace da matsin lamba 210-5pa ko 0db. Amma don amo, abu ne mai rikitarwa, wanda ba a dakatar da haɗuwa da sauti ba, mara kyau aiki akan tsarin juyayi.Senduraren ɗan adam a cikin ƙasa mai ƙarancin ƙarfi da yawa ya fi muni fiye da yawan faɗuwar magana (500-4000 HZ). A lokacin da ake gwada, ya zama dole don yin la'akari da wannan fasalin na ji. Tsallake ta hanyar amo yana amfani da sikelin na musamman "A" tare da raka'a "Demibelimia" (DBA). Ta hanyar da yawa da suka kusan matsaye tare da talakawa talakawa.
Halin Halittar Jikiha na sauti shine ƙarar tasa. Rage matakin tsanani na sauti L a kowace 10db yana da nazarin a matsayin ragi a cikin sau 2, kuma 5DB- a matsayin raguwa ta na uku.
Jikin dan Adam bai amsa hayaniya na matakai daban-daban da kuma tushen mitar. Vdiapazone 35-60 DBA DBA ne (ta hanyar "tsayawa tsayawa-negs"). Theayawar na 70-90 DBA tare da tsawan lokacin bayyanar da tsawan tsarin juyayi na tsarin, kuma tare da l years 100 db-abin da aka makala na jin rauni, har zuwa ci gaban mai faɗi.
Hanyoyi zuwa Wurin Hoto
Matsayi na amo yana shiga daga waje an taƙaitaccen riga a matakin gini. Ana samun wannan a sakamakon bin ka'idar mahimman abubuwan da ake buƙata don sautin wuraren zama. The "hoisy" (tsoho, gidan wanka, bayan gida, gida) an haɗa su zuwa tubalan daban, iyakoki na iyakoki ko katako na ɗakunan makwabta. Idan manyan tushen hayaniya sun wuce iyakokin gidaje, kuma abin da ake buƙata har yanzu ba, ya kamata a biya kwallaye na musamman ga ƙarin murfin sauti wanda yake rufewa dakin a gefe, saman da ƙasa. Wadannan galibi sun hada da:
- bangon tsaro da bangare;
- perry da ruwa, gami da gidajensu da bango da bangare;
-Konic tubalan, gida da ƙofofin balconi;
- Abubuwan da aka sanye da kayan aiki a cikin bango da kayan aiki da hanyoyin sadarwa masu injiniya waɗanda ke ba da gudummawa ga yaduwar amo.
Ana amfani da damar da aka yi amfani da su na kewayen da aka yi amfani da shi a cikin aikin da aka matse shi da yawa na RW da LNW Saun Inabar yana nuna alamun. Ga gidajen rukuni "A" (mafi girma), dole ne su kasance 54 da 55db, don naúrar gida ") B" - 50 da 60db.
Kariyar iska a gefe
- Yi don sauti mai sauti ba zai iya tilasta shinge ba zai canza, yayin watsa sauti a cikin ɗakin;
- sha da watsawa na ƙarfin sauti mai sauti a cikin ginin ginin
Hanya ta farko tana buƙatar cikawa don kasancewa ta zama mai girma (nauyi), ko kuma tauri. Na biyu ana aiwatar dashi ta amfani da tsarin multiloler daga kyawawan kayayyaki da kayan fibrous. Mafi wuya da kauri da kauri da sama da mitar sauti, mai karami bango yayiwa, kuma, yana nufin cewa ikon sauti ya fi kyau. Koyaya, haɗin tsakanin waɗannan sigogi ba kai tsaye ba. Don haka, bangon kankare na wani maimakon na yau da kullun na yau da kullun na 140mm yana ba da sautin sauti na 300 a cikin 39DB, kuma a cikin yawan GG 1600 ne kimanin 600. Inganta darajar index na RW ta hanyar ƙara yawan tsarin ba shi da inganci kamar yadda yake. Idan bangon da aka ɗora a cikin gurbataccen pollipic (150mm lokacin farin ciki) zai ba da rufin sauti a cikin 47DB, sannan kauri bangon bango a cikin tubali 53-54 db. A takaice dai, sau biyu na taro zai inganta rufin sauti na 6-7 db.
Tsarin dullieer na dattara ya ƙunshi zanen gado daban-daban, tsakanin abin da rami na iska zai iya zama. A cikin irin wannan tsari, matsananciyar rawar jiki da sauri fiye da ta hanyar da juna. Abubuwan da ke da ban sha'awa na "puff" bangare na ƙananan yawa ƙananan yawa suna daidai da kaddarorin bangon monoliyanci. Saboda haka, wani lokacin farin ciki na 150mm tare da filaye 40 na filler daga gwiwowi mai bushe-bushe na 100.5 mm kowannensu, zai samar da rufin sauti RW = 52 DB. Wannan ya isa ya kare a kan hayaniyar da aka kirkira ta hanyar hanyoyin gama yau da kullun.
Slika
Acoustics (shigarwarwar kalmar) - rukunan sauti raƙuman ruwa a cikin mitar raƙuman ruwa da aka fahimta ta hanyar kunnen ɗan adam (daga 16Hz har zuwa 20khz). Game da dakin akwai wani Acoust ɗin zane-zane, batun wanda shine yaduwar sauti mai amfani a cikin dakin, da Acoustics aikin aiki da aka fara yawo daga dakin daga waje.Sautin sauti yana rage matsin lamba mai sauti lokacin da igiyar ta wuce ta shamaki. Ingancin tsarin rufewa yana kimantawa ta hanyar RW A iska Hoise Index (a jera a cikin kewayon halayyar mahalli na gidaje-fylipp na a karkashin gyaran lnw. Da ƙarin RW da ƙarancin LNW, rufin sauti mai kyau. Duk ƙimar an auna su a DB.
Sautin ka sha da ƙarfin sauti mai sauti yayin hulɗa tare da cikas, alal misali, tare da bango, bangare, bene, rufi. Ana aiwatar da shi ta hanyar watsar da makamashi, sauyawa zuwa zafi, barka da girgizawa. An kiyasta kaiwar sauti wanda yake da matsakaita a cikin yawan adadin 250-4000 Hz kuma ya nuna ta hanyar sauti mai ƙarfi na ɗaukar sauti mai ƙarfi W. Wannan madaidaicin zai iya ɗaukar ƙimar daga0 zuwa1 (kusa da 1, bi da bi, sautin sauti).
Kayan aiki - kayayyakin gine-gine (galibi a cikin nau'i na zanen gado, faranti, matsawa don canza yanayin yaduwar raƙuman ruwa a cikin ɗakin. Kare haihuwa na sauti daidai da peculiaritiities na jin mutum. An raba su da sauti mai sauti da sauti, ƙarshen za a iya niyya don rufi ko daga iska, ko daga amo mai tsari.
Sauti masu sauti
Abu na iya zama ko na zahiri - asalin ma'adinai (muhimmin ulu, farantin ulu, ma'aurata, da filayen peren) ko filastik mai cike da gas, ko filastik mai na gas Polystorn, polyurethane kumfa, polyethylene, polystornopropylene, da sauransu). Mafi yawan ma'abota ma'adinan daga duwatsun (mafi yawan lokuta basalt). Daga cikin ƙarin fa'idodi, manajan fitarwa na Paroc suna kiran Hydrophobbicity, juriya na wuta, cututtukan turanci da amincin muhalli. Amma fiberglass, a cewar masanan San Goben daga kamfanin Ravern kamfanin, suna ba ka damar yin irin wannan kayan. Fasalin polystyrene ya kasance ƙasa mara nauyi (40-70 sau da yawa Minvati). A sakamakon haka, motsi yana rikitarwa, kuma tare da babban ƙarfin zafi na dakin yana buƙatar tilastawa cikin iska (don hana ganuwar bangon).
Zabi na kayan sauti, ƙididdigar adadin da kuma kauri daga zanen gado, kazalika girman rafin iska mafi kyau don cajin gwani. Kawai a wannan yanayin, ingancin sauti na wuraren zama yana da yawa tare da hanyoyin da aka sakawa.
Kayan sauti mai sauti don tsarin sauti na bullaproof
| Mai masana'anta | Suna | Tsawon, nisa, kauri, mm | Yankuna, KG / M3 | Tw coefend | Farashin 1M2, $ |
|---|---|---|---|---|---|
| ITOOTOHOHOT (FINLAND) | Kl-e farantin (fiberglass) | 12205550 (100) | goma sha huɗu | 0.8-0.9 | Daga 1. |
| "Flyderer-Chudovo" (Russia) | Plate P-15-P-80 (Figerglass) | 125056550. | 15-80 | 0.8-0.9 | Daga1,2 |
| Rockwool (Denmark) | Matlochatts (ma'adinai wat) | 400096050. | talatin | 0.9 | 10,45. |
| Paroc (Finland) | Plateil (ma'adinan ulu) | 132056550, 117061050. | talatin | 0.9 | 2,2 |
| "Minealvat" (Russia) | Plate "shumannet-vm" (ma'adinai ulu) | 100060050. | 45. | 0.95 | 3.5 |
| Ekwata (Russia) | Layer flayeded selulose ulu | Kauri kauri 42-70 * | - | - | Daga 13. |
| Dow Smustolo. (Amurka) | Styrofoam Sheet (faɗaɗa polystyrene) | 120060020-120-120 | talatin | - | Daga8.5 |
Kariya daga dakin daga shigar da shigar da innetration daga ƙasa da kan sama
Tabbas, a wannan yanayin, ba komai bane. Don haka, jigon ƙarin sauti mai dakatarwar RW Acoustric da aka dakatar ba ya wuce 8 DB, har ma da kuma to, ba tare da yin la'akari da sakamakon hayaniyar hatsi ba. Masana'antu maimakon wannan nuna alama suna haifar da ƙimar ingantaccen darajar DNCW, wanda ke da ƙimar mafi girma, amma yawancin lokuta ba a zartar da wuraren zama ba.
Na'urar ingantacciyar na'urar ta sauti. Ana iya hawa akan Lags ko a kan roba na roba ("iyo". Tasiri hayaniya rage tare da substrate daga kayan daban-daban. Misali, daga fonostop duo polymer-bitumen membrane (Index), abin toshe kwalaba tare da tsayayyen zanen har zuwa 8mm daga iPolorc ko maimaitawa, da aka yi da ƙarfin roba ("Repupapex"). Daga da ke sama, suna yin sutura da kauri daga 30-50 mm, kuma an sanya murfin bene a kai. Saboda ƙaramin kayan ella na elasticity na substrate abu, yaduwar rawar amo saukad da ƙarfi.
Ajiye daga amo, zaku iya haɗuwa da matsaloli da yawa da ba tsammani. Misali, tare da layin linoleum bovering tare da ji da aka ji kai tsaye a kan karfafa kankare slab, wani kauri na sauti na mm na 220 mm daga kasa yakan lalace 1-3 DB. Masu laifin suna da abubuwan da suka lalace matsala. Acoustics na kwararre suna la'akari da irin wannan "posfalls". Ana amfani da gine-ginen motoci koyaushe don yin rawar murya. Wannan taimako kare tsare-rikice abubuwanda ke ɗauka. Sauki yadda ya kamata, ka ce, yi birgima Silica Silica fiber su fileil kauri 6mm. A cewar nizf, yana ba ku damar rage Index Index By27DB. Fiber kuma a duk duniya, domin yana da daban da kuma kyawawan sauti mai kyau. Punching abu kuma ya dace don amfani da ciyawar ruhu da kece.
Zabi duk waɗannan samfuran a cikin kauri, ƙarfi da ƙarfi, ya zama dole a zama mai hankali sosai kuma ku mai da hankali. Gaskiyar ita ce cewa magungunan na roba suna rage tsayayyen ƙirar shinge. Don haka ba a kusantar da gidan ku ta hanyar gidan kati ba, ya fi kyau samar da ƙarin ayyukan a cikin rufin tasirin tasirin acoustics ta amfani da ƙwararren likita.
Sautin Inshora
| Mai masana'anta | Suna | Tsawon, nisa, kauri, mm | Yankuna, KG / M3 | LNW Index, DB | Farashin 1M2, $ |
|---|---|---|---|---|---|
| Silica (Russia) | Superil Mat (Silica fiber) | 300009206-20 | 130-170. | 27. | S92 |
| Thermaaflex (Holland) | Reesosheet Rolor (polystoentoentylene) | L ** 15603-38-338 | 30-35 | - | Daga5 |
| Gates kwai. (Scotland) | Reraire mirgine * (polystojänsles) | 1100013703. | 81. | ashirin | 5.5 |
| "Jin shuka" (Russia) | Mirgine "penofol" (polystoentylene) | Daga 50005802-10 | 44-74 | 26-32. | Daga 13. |
| Saint-Gabain (Faransa) | Gilashin Gilashin Gillo | 1500010003. | 80. | 18 da 23 **** | 3. |
| Ipocork (Portugal) | Mirgine ipocorc (cunkoson ababen hawa) | 100001002. | 500-560 | goma sha takwas | Daga3 |
| Regppex (Russia) | Jerin "Regus" (wani cakuda roba da polyurethane) | 230011506 (8, 10, 13) | 870. | 17 (tare da kauri na 6mm) | Daga6,75 |
| Index (Italiya) | Polymer-bitumen membrane fonostop duo | 1000010008. | 250. | 33.5 | 5.5 |
| "Est" (Russia) | Energoflex ganye (polyethylene) | L *** 15005-20 | talatin | - | 0.1-7.5 |
** - tsawon ba iyaka;
*** - tsawon kowane tsakanin 12m;
**** - lokacin da sautin sauti ya ƙunshi yadudduka biyu.
Sauti mai ban sha'awa da ƙofofin
Windows, balcony da ƙofofin ciki suna ba da gudummawa ga shigar azzakari. Haka kuma, inganta rufin sauti a wannan yanayin yana cikin musu tare da matsalar samar da sabon iska. Na'urar APack na Colds da aka tilasta wajan samun iska mai tsada sosai, kwararrun kamfanin "Aermatics xxivek" bawulen kariya a cikin kowane taga (a kwance ko a tsaye). Wannan na iya zama, alal misali, samfurin Ventilator "Aeromatida80". Irin wannan na'urar tana ɗaukar ayyuka biyu a sau ɗaya: yana rage matakin amo kuma yana samar da iska. Haka kuma, ana iya yin amfani da iska mai sabo da iska ta amfani da shi ta amfani da Lever na Musamman. Matsakaicin cimma darajar iska ta ƙayyade ƙimar Index: a 15M3 / H, yana 40DB, a 260m3 / ch - 21DB. Hakanan ana iya yin ayyukan guda ɗaya ta hanyar Aeropac 60/90 na Siegenia. An ɗora shi a cikin wata doka kusa da taga kuma tana yin amfani da iska a waje ta hanyar akwatin PVC, ƙirƙirar matakin hayaniyar ta na farin ciki na farin ciki na farin ciki.
Yana da matukar taimako ga sanin matakin amo a yankin ku. Baya ga wannan mai nuna alama, kwararru masu nuna shawara suna ba da shawarar saita zaɓuɓɓuka daban-daban don Frames taga. Haɗin haɗin gilashi mai kauri, yawan zane da girman gibin a tsakaninsu yana ba ka damar ƙirƙirar yanayin sauti mai mahimmanci na taga. Amma, hakika, matakin amo a cikin ɗakin, ko da tare da mafi kyawun taga, zai zama daban da dare daban.
Ana ɗaukar kofar baranda a matsayin shinge mai shinge mai ban sha'awa na Inshomogeneous kaddarama mai tsayi. Sauti na ƙananan, an samar da ɓangaren kwamitin ta hanyar kwatancen ciki tare da ɓangaren ciki, kuma saman glazed daidai yake da windows.
Da yawa hanyoyin bada shawarwari
1. Hotunan ya kamata su dogara ne kawai a kan slabs na mamaye ko rigunan da ke tsakanin bim, amma a cikin wani hali ba a kan lemu ba ko benen ba. Tabbatar cewa bene na ƙare kuma rakunan dakuna biyu na kusa ba su shiga cikin tuntuɓar. Wannan zai ware canjin rawar jiki ta tasowa lokacin tafiya.2. Ganuwar kayan gini tare da tsarin budewar salula (alal misali, daga kwalliyar kwalliyar kwalliya) ya kamata a hankali. Don haka zaku hana shigar azzakari cikin sauti ta hanyar pores.
3. Canja wuri na ciki na ciki tare da zanen filayen filayen a cikin yadudduka biyu sun fi kyau tare da yin gudun hijira na seam na daya layer zuwa wancan.
4. A cikin inabi mai haske a bangon da rufi, kar a manta da a hankali rufe sauran gibin da gibba. Suna iya rage ma'anar sautin sauti na rufewa.
Dakin secking da kayan aikin injiniyan sauti
Ramin a karkashin kofa, gibs da ramuka a cikin bangon da bangare, zazzabi da kuma sutturar ginin ginannun daki koyaushe suna cutar da Sauti na ɗakin. Don haka, raka na 15-millimi 15 a ƙarƙashin ƙofar waje zai rage sassan RW da ya wuce 5-9 DB. Ash-Dist rami na wutan lantarki a cikin bango wanda ke raba gidan, har ma da index RW = 50DB, zai ba da damar magana da maƙwabta. A saboda wannan dalilin cewa ramukan iska a cikin ƙofofin ciki ya kamata a kawo tare da labule rufe. Onearfin wutar lantarki yana da ma'ana don matsayi tare da fitowar kwance, don haka lalata madaukai don amo. Ka lura cewa a wannan yanayin sealing na wuraren wasan kwaikwayo lokaci guda na magance matsalar duka rufin da kuma rufin sauti.
Hakanan yakamata a biya shi ga sautin sauti na ƙarin kayan aikin da aka gina a cikin bango da rufi. Misali, yana da ma'ana don gina cikas ga hanyar amo yaduwa a cikin kwalaye da kuma ducts na iska. Wannan tambaya a cikin kowane irin yanayi an magance shi ta hanyar ta hanya.
Bukatun kariya
Don kawar da yiwuwar wuta daga kayan sauti, ya kamata su koma ga aji na marasa aiki (NG), mara rauni sosai (G1) ko kuma mai wuta (B1). Misali, ulu na ma'adinai da na fiberglass-wakilai na nG aji, polystyrene kumfa da toshe-in1 (lokacin aiki tare da Antipiren). Avot polyurethan-Garyuch (aji). Amince da takaddun tsara abubuwan da ke ɗauke da ka'idoji don ingantaccen amfani da kayan sauti masu sauti har sai akwai. Abin da ya sa idan aka haɗa da irin waɗannan samfuran zuwa bangon katako ko katako na katako, ya kamata ya zama matakai waɗanda ke rage haɗarin wutan daga cikin ɗakin. Ka ce, Sanya takardar ƙarfe a bayansu. Slab daga kowane abu ya kamata ya sami takardar shaidar tsabta ta hanyar da ke tabbatar da rashin lahani ga lafiyar lafiyar. Asibĩbi ne mafi yawan kayan da aka jera a ƙarƙashin rinjayar wuta zai sha taba da kuma bambance gas mai guba.
Alamar Edita na gode da kamfanin " Masanin kimiyya niizf A. Kimukhin neman taimako a cikin kayan.