Pobzeb nplaum ua kom muaj zog tuav cov vuas ntawm phab ntsa. Nws yog qhov nyuaj dua los tshem tawm yog tias cov pobzeb nplaum nplaum yog qhov tsis raug pom nyob rau pem hauv ntej ntawm cov vuas. Txawm li cas los xij, nws muaj peev xwm yog tias ob peb yam raug coj mus rau hauv tus account thiab txoj hauv kev yog ua raws. Peb muab tswv yim tswv yim txog yuav ua li cas nws ua hauj lwm.
Security
Thaum cov nplais nplaum tau tawv, nws tsis yooj yim kom tshem tawm tag nrho cov seem. Ob qho tib si kev siv tshuab thiab kev siv tshuaj lom neeg yog qhov nyuaj thiab cuam tshuam rau qee yam kev pheej hmoo. Nws yog ib qho tseem ceeb uas yuav tsum tau ua cov kev tiv thaiv tsim nyog.
Cov no suav nrog:
Safety Glasses
Thaum cov pobzeb nplaum raug tshem tawm los ntawm kev siv tshuab, cov khoom ib leeg tuaj yeem tawm. Cov iav tsom iav yuav tsum hnav kom cov no tsis txhob nkag rau hauv qhov muag.
Gloves
Kev sib cuag nrog cov kuab tshuaj siv tau tuaj yeem ua rau tawv nqaij tawv heev. Yog li ntawd nws tseem ceeb heev uas yuav tsum hnav hnab looj tes roj hmab.
Tau muaj kev tiv thaiv ua pa
Thaum lub sijhawm tshem tawm cov tshuab, cov hmoov av ntau tuaj yeem txhim kho, uas ua rau kev tiv thaiv ua pa muaj txiaj ntsig. Thaum siv cov tshuaj tua kab mob, cov vapors tuaj yeem ua rau muaj kev ntxhov siab. Hauv qhov no, daim npog qhov ncauj yuav tsum tau hnav thiab chav tsev yuav tsum muaj qhov cua zoo.
Possible aids
Yog tias cov kua nplaum tseem tsis tau tawv, dej, dej ntxuav tais diav thiab ntxhib, tawv daim txhuam cev feem ntau txaus. Txawm li cas los xij, nyob rau lwm qhov, xav tau cov cuab yeej ntxiv.
Cov khoom siv hauv qab no, thiab lwm yam, yuav tsum tau tshem tawm cov tshuab:
- daim txhuam cev
- Steel wool or hlau txhuam
- Plane, spatula, ceramic hob scraper
- Screwdriver or chisel and rauj
Nyob ntawm hom pobzeb nplaum, cov tshuaj hauv qab no tuaj yeem siv rau kev tshem tawm cov tshuaj:
- Stripper rau cov xim emulsion
- Cement film remover
- Hydrochloric acid-dej tov
Tshuaj tshem cov nplais nplaum
Kev siv cov kuab tshuaj lom neeg yog ib qho yooj yim sib piv thiab kev nyab xeeb rau cov vuas kom tshem tawm cov nplaum seem. Txawm li cas los xij, qhov muag, daim tawv nqaij thiab kab mob ua pa xav tau kev tiv thaiv sai. Tsis tas li ntawd, raws li tau hais tseg, chav tsev yuav tsum muaj qhov cua zoo kom tsis txhob muaj cov pa taws kom tsawg li sai tau.
Yog tias cov kev ntsuas kev nyab xeeb no tau lees paub, cov txheej txheem hauv qab no yuav ua raws:
- Cov xim tshwj xeeb stripper rau cov xim emulsion yog siv tshwj xeeb rau cov nplaum residue thiab tso cai rau siv raws li cov neeg tsim khoom cov lus qhia. Cov nplaum yog tom qab ntawd ua tiav nrog daim txhuam cev ntxhib, hlau ntaub plaub lossis txhuam.
- Yog tias cov xim stripper tsis tshem txhua yam, cov txheej txheem tuaj yeem rov ua dua. Yog tias tsis muaj kev txhim kho, cov cement film remover tuaj yeem siv tau. Ua ntej, txawm li cas los xij, tag nrho cov seem ntawm cov xim stripper yuav tsum tau ntxuav kom huv si thiab dej kom ntau.
- Cov cement zaj duab xis tshem tawm yog tom qab ntawd siv rau cov vuas, tso cai rau siv thiab tom qab ntawd cov nplais nplaum nplaum raug tshem tawm ntawm tes. Yog tias qhov kev kho no tsis muaj txiaj ntsig, kev sib xyaw ntawm hydrochloric acid thiab dej tuaj yeem siv tau.
30 feem pua hydrochloric acid yog xaiv los siv cov kua qaub sib tov. Peb feem ntawm cov kua qaub yog ntxiv rau ib feem ntawm cov dej. Cov kua qaub ntxiv rau hauv dej thiab tsis txhob dej rau cov kua qaub. Vim tias nchuav dej rau hauv cov kua qaub tuaj yeem ua rau tawg loj heev. Kev sib tov yuav tsum tau ua sab nraum zoov. Nws tseem yog ib qho tseem ceeb heev rau kev tiv thaiv daim tawv nqaij, qhov muag thiab ua pa ntawm kev sib cuag thiab pa taws. Cov txheej txheem thov tsis txawv ntawm cov txheej txheem uas twb tau piav qhia lawm.
Tshem cov nplais nplaum mechanically
Ntau zaus, kev tshem tawm cov tshuaj yuav tsis txaus kom tshem tawm cov nplais nplaum los ntawm pem hauv ntej ntawm cov vuas. Txoj kev vam meej nyob ntawm lub sijhawm hardening ntawm cov nplaum. Qhov ntev nws yuav tsum qhuav, qhov nyuaj thiab tawv tawv dua. Yog tias cov tshuaj tsis muaj qhov xav tau, kev tshem tawm tuaj yeem ua tiav mechanically. Qhov no ua haujlwm zoo tshaj plaws ntawm cov vuas nrog ib qho chaw du heev. Txhawm rau kom tsis txhob muaj kev puas tsuaj rau cov vuas, cov kev pab cuam yuav tsum tau sim ua ntej ntawm thaj chaw tsis pom lossis ntawm cov vuas seem.
Cov seem tam sim no tuaj yeem raug tshem tawm los ntawm ib daim siv cov cuab yeej hais saum toj no, xws li cov ntaub plaub los yog spatula. Nws tseem tuaj yeem siv lub sander. Kev tshem tawm feem ntau yuav tsum tau siv zog ntau thiab ua siab ntev. Kuj tseem muaj kev pheej hmoo tias khawb lossis streaks yuav tshwm sim ntawm cov vuas lossis lawv yuav tawg. Yog tias tsis ntseeg, tus kws tshaj lij yuav tsum raug txib kom tshem tawm cov nplaum nplaum.
Lub sijhawm
Cov kua nplaum sai dua, nws yooj yim dua los ntxuav. Cov pobzeb tshiab cov nplaum nplaum tseem tsis tau ua kom tiav thiab feem ntau tuaj yeem raug tshem tawm nrog daim txhuam cev tawv, cov tshuaj ntxuav tais diav thiab dej lossis cov kuab tshuaj tsim nyog. Tom qab nteg cov vuas tshiab, koj yuav tsum tam sim ntawd pib tshem cov nplaum residue. Nws yog ib lub tswv yim zoo los ntawm kab mus rau kab thiab tshem tawm cov khoom seem thaum tso. Qhov no zam qhov teeb meem uas cov vuas tsis tuaj yeem taug kev thaum ziab.
Tip:
txhawm rau txheeb xyuas cov nplaum seem thiab tshem tawm kom huv si, cov vuas yuav tsum tau kuaj xyuas hauv cov teeb pom kev sib txawv. Txhawm rau ua qhov no, nws yuav pab tau siv lub teeb nyem thiab teeb pom kev ntawm cov vuas los ntawm ntau lub kaum ntse ntse. Txawm tias me me residue tuaj yeem pom sai thiab yooj yim.
