Qee lub sij hawm, nws yog ib qho uas pom cov neeg siv cov hnab ntawv xim av qub ua cov hnab noj su. Tab sis cov thawv noj su zoo dua thiab ua tau zoo dua tau tsim ua rau cov neeg yuav khoom xaiv los ntawm cov xim sib txawv, tsim, thiab ntau thiab tsawg.
Lub tswv yim ntawm lub thawv noj su yog thawj zaug yug qee zaum nyob ib ncig ntawm 1880s. Tom qab ntawd, nws yog ib qho uas cov txiv neej laus mus txog lawv txoj haujlwm niaj hnub nrog lub hnab uas muaj cov khoom tseem ceeb uas lawv yuav xav tau rau hnub. Cov menyuam kawm ntawv tau sim luam lawv cov txiv thiab siv cov ncuav qab zib uas tsis muaj lossis haus luam yeeb los tsim cov caddies zoo sib xws.
Los ntawm lig 1800s mus txog thaum ntxov 1940s, cov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Tsis tas li ntawd, vim tias cov thawv hlau no muaj lub zog txaus los tiv thaiv cov xwm txheej phem hauv quarries, mines, factories, thiab cov chaw tsim kho.
Xyoo 1920, Lub Tuam Txhab Thermos Bottle Company tau tsim thawj lub thawv noj su rau kev lag luam. Lub thawv yog tsim los ntawm cov hlau, muaj tawv tawv thiab zoo li lub dome. Lub thawv noj su no txawm li cas los xij vim tsis muaj kev txhim kho thev naus laus zis tsis zoo tiag tiag ntawm kev khaws cov zaub mov ntawm qhov xav tau.
Cov thawv noj su tau tuaj ntev heev txij li thaum lawv tau tsim thawj zaug. Ntau cov qauv tsim thiab kev coj ua tau raug txiav tawm thiab cov tshiab coj los rau hauv. Ib qho ntawm cov no yog lub cev thiab cov khoom siv uas lawv tau ua. Kev tsim cov thawv noj su tau hloov pauv los ntawm ntau lub tuam txhab niaj hnub no uas tau qhia txog kev hloov pauv kev ua si thiab kev ua lag luam zoo.
Ib qho ntawm lwm qhov kev lag luam noj su lub thawv ntim khoom tau loj hlob zoo kawg yog nyob rau hauv cov neeg siv khoom tus kheej. Cov neeg tuaj yeem tam sim no muaj cov hnab ntim khoom noj khoom haus ua rau lawv nrog cov ntawv luam ntawm lawv xaiv.