Koj puas paub tias daim ntawv hlau zoo siv rau dab tsi? Koj puas paub tias nws txawv li cas ntawm lub phaj txias txias? Thaum peb saib rau hom kev tsim khoom ntawm ob hom khoom no, qhov sib txawv yog pom ntau dua thiab pom ntawm qhov kub ntawm qhov uas lawv tau ua, lossis qhov ntawd tau txheeb xyuas los ntawm cov khoom ntawm tus kheej lub npe. Raws li rau cov ntawv txias nyias, nws yog tsim los ntawm qhov kub thiab txias, uas tuaj yeem ncav cuag tsawg dua 100ºC, thaum cov ntawv txias txias yog tsim los ntawm qhov kub siab heev, uas tuaj yeem ncav cuag 1000ºC. Qhov sib txawv no thaum lub sij hawm tus txheej txheem txhais tau hais tias qhov kawg tshwm sim yog considerably txawv.
Cov ntawv hlau txias yuav ua tau zoo dua, yog li nws tsis kav ntev npaum li cov ntawv kub kub. Nws yuav zoo tagnrho rau mounting khoom xws li, piv txwv li, cov khoom siv hluav taws xob. Meanwhile, nws yuav muaj tsawg kuj thiab hardness, los yog nws txwv txaus nws yuav siv tsis tau. Vim li no, nws yog ib qho tseem ceeb kom paub tias cov ntawv nyias nyias yog qhov zoo dua los siv hauv kev lag luam hnyav thiab cov plag tsev, piv txwv li. Nws lub luag haujlwm tseem ceeb yog kom muaj kev tiv thaiv ntau dua thiab ua haujlwm ntev, yog li ntawd, nws yog ib qho tseem ceeb uas koj yuav nws los ntawm lub tuam txhab uas muaj cov khoom zoo heev uas muaj kev tiv thaiv thiab kav ntev.
Ib qho kev xaiv zoo dua thaum koj xav tau kev tiv thaiv, hardness thiab zoo hauv kev yuav khoom ntawm cov ntawv nyias nyias dua li xaiv Chamana Ferros e Ferragens thaum lub sijhawm yuav khoom. Lub tuam txhab muaj 40 xyoo ntawm kev muag cov khoom siv no thiab paub meej tias nws qhov zoo ntxiv ntau rau nws cov khoom muag. Los ntawm isso, nws muag cov khoom zoo uas koj tsis tuaj yeem ntseeg 100 feem pua. Tsis txhob tos kom paub Chamana ntau dua li perto thiab nrhiav pom qhov zoo ntawm nws cov khoom. Koj yuav mus yuav cov ntawv nyias nyias nrog nws thiab xav tsis thoob ntawm qhov zoo ntawm cov khoom muag thiab cov hardness uas cov khoom no muaj. Chamana yuav daws cov teeb meem ntawm koj lub tuam txhab thiab xa cov khoom zoo tshaj plaws rau koj.
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