2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ntim cov tshuaj txhuam hniav hauv cov raj hlau ua kom nws yooj yim dua los tsim thiab faib. … Ib yam li cov raj ntawm cov xim, cov raj qub rau cov tshuaj txhuam hniav yog ua los ntawm cov hlau lead. Nrog rau tag nrho cov txiaj ntsig ntawm lub raj collapsible, tau txais qhov kawg ntawm cov tshuaj txhuam hniav tawm ntawm lub raj tseem yog ib qho teeb meem tsis yooj yim.
Cov tshuaj txhuam hniav qub puas muaj cov hmoov lead?
thawj cov tshuaj txhuam hniav yog ua los ntawm cov tin thiab txhuas, thiab tseem zoo ib yam mus txog thaum muaj hlau tsis txaus thaum Ntiaj Teb Tsov Rog II. Pawg Tswj Xyuas Kev Ua Tsov Rog txwv tsis pub cov neeg siv khoom siv ntau hom hlau, suav nrog tin, txhuas thiab txhuas, tsim kom muaj kev kub ntxhov hauv kev lag luam tshuaj txhuam hniav.
Cov tshuaj txhuam hniav yog dab tsi yog tsim los ntawm?
Cov tubes thaum ntxov tshaj plaws tau ua los ntawm tin, zinc, lossis txhuas, qee zaum coated nrog siv quav ciab rau sab hauv. Aluminium tube caps thiab kaw feem ntau yog threaded, zoo li lub nozzle. Cov raj txhuas feem ntau muaj qhov kawg nkaus folded ob peb zaug tom qab cov ntsiab lus tau ntxiv.
Thaum twg cov tshuaj txhuam hniav hloov los ntawm hlau mus rau yas?
Los ntawm xyoo 1950, cov tuam ntxhab tau tsim cov raj yas rau cov tshuaj pleev thaiv hnub, tab sis cov raj polyethylene no ua rau cov khoom xyaw tshuaj txhuam hniav. Txhua cov tshuaj txhuam hniav yas tau qhia hauv xyoo 1990, thaum lub sijhawm ntawd muaj lwm tus menyuam yaus ntawm qhov thaiv - lub twj tso kua tshuaj txhuam hniav.
Vim li cas cov tshuaj txhuam hniavphem?
Txhua ib xyoos, 1.5 billion cov tshuaj txhuam hniav xaus rau hauv qhov chaw pov tseg thiab cov yas hauv cov raj xav tau 500 xyoo kom degrade. Qhov ntawd txhais tau hais tias kev txhuam koj cov hniav txhua hnub ua rau cov yas hauv qhov chaw pov tseg thiab hauv dej hiav txwv hauv txoj kev loj, tab sis peb tsis tuaj yeem tso tseg kev txhuam hniav, yog li peb yuav ua li cas?
Pom zoo:
Tus kws tshuaj loog puas muaj tshuaj txhuam hniav?
Vim tus kws tshuaj tshuaj tua kab mob tsis txhuam kom tsis muaj menyuam, nws yog OK hnav koj lub moos thiab lub nplhaib., thiab nqa koj lub xov tooj ntawm tes nrog koj. … Hauv chav ua haujlwm, cov cuab yeej txhuam hniav tau hnav khaub ncaws tsis muaj menyuam thiab hnab looj tes, thiab tab tom npaj cov cuab yeej uas tus kws phais yuav siv los ua haujlwm rau thawj tus neeg mob.
Cov khoom xyaw twg hauv qab no ua cov tshuaj tsw qab hauv cov tshuaj txhuam hniav?
Sodium lauryl sulfate (SLS) yog surfactant feem ntau siv. YPuas yog tshuaj txhuam hniav puas yog surfactant? Surfactants. Ntau, txawm tias tsis yog tag nrho, tshuaj txhuam hniav muaj sodium lauryl sulfate (SLS) lossis lwm yam surfactants (detergents).
Puas siv cov tshuaj txhuam hniav puas zoo rau koj cov hniav?
Flossing pab txhawb kev tu hniav zoo vim nws nqa thiab tshem cov quav hniav thiab zaub mov hauv nruab nrab ntawm koj cov hniav. Kev txhuam hniav kuj tshem tawm cov quav hniav thiab cov khoom noj khoom haus, tab sis cov txhuam hniav ntawm cov txhuam hniav tsis tuaj yeem ncav cuag tob hauv nruab nrab ntawm cov hniav kom tshem tawm tag nrho.
Puas txhuam txhuam hniav puas tas sijhawm?
Thaum pov: Cov ntsia hlau ntev npaum li cas? Zoo, nyob ntawm. Qhib lub raj mis, tom qab li ob xyoos. Tsis qhib, lawv tuaj yeem nyob mus ib txhis, hais tias Annette Soboleski, tus kws tshaj lij rau ntsia thawv polish tsim OPI Products Inc. Koj tuaj yeem qhia tau li cas yog cov ntsia thawv polish tau ploj mus?
Puas txhuam txhuam txhuam koj lub tsheb?
Thaum koj nqa koj lub tsheb mus rau lub tsheb ntxuav, tsis txhob siv lub tshuab ua npuas ncauj. Nws yuav twv yuav raug khawb ntawm koj lub tsho ntshiab, tshwj xeeb nrog Siberian Ice. Puas txhuam txhuam tsis zoo rau lub tsheb? Tshwj xeeb tshaj yog vim txhua tus siv lawv, lawv poob rau hauv av, thiab muaj av thiab grit uas yuav khawb koj lub tsheb.
