Cov qhov rooj ntoo uas muaj zog tuaj yeem muaj ntau yam thiab ntau yam, thiab tsis tau txhais hais tias cov khoom kim heev lossis hnyav yog qhov zoo rau peb. Cov kev npaj kho kom zoo nkauj hauv tsev sib txawv muaj ntau yam tsim nyog ntawm cov qhov rooj ntoo.
Misconception: Lub qhov rooj hnyav dua, lub qhov rooj zoo dua?
Ntau tus neeg siv khoom ua yuam kev ntawm kev xaiv cov rooj tog ntoo xws li cov qhov rooj ntoo, xav tias cov ntoo hnyav dua, qhov zoo dua, thiab cov ntoo nyuaj, qhov ruaj khov dua. Txawm li cas los xij, cov neeg muag khoom yuav qhia tias qhov ntau dua qhov hardness ntawm cov ntoo, qhov zoo dua qhov ruaj khov.
Kev ntseeg yuam kev 2: Cov ntoo ntshiab huv yog qhov zoo
Nws yuav tsum tau hais tias txhua tus muaj nws tus kheej zoo thiab qhov tsis zoo. Qhov nrov ntawm cov rooj ntoo ntoo feem ntau ua rau tib neeg lub siab xav rov qab mus rau qhov xwm txheej, uas muaj kev noj qab haus huv thiab tsis muaj mob. Tab sis lub ntsiab drawback yog tias qhov kev hloov ntawm cov dej noo ua rau nws nquag deformation, uas yuav tsum tau saib xyuas tshwj xeeb thiab saib xyuas. Ntau qhov chaw qhuav thiab ntub dej tsis haum rau cov khoom ntoo, vim tias muaj zog ncaj qha tshav ntuj thiab nquag hloov cua txias ua rau muaj kev hloov pauv tseem ceeb hauv cov av nruab nrab ntawm chav, uas tuaj yeem cuam tshuam rau cov qhov rooj ntoo.
Misconception 3: Cov Khoom Ntoo Ntoo Hauv Tsev=Tsis muaj teeb meem tiag tiag
Ntseeg nws los tsis, thaum xaiv cov rooj tog ntoo, peb tau hnov cov neeg muag khoom hais ntau dua ib zaug tias 'cov rooj tog ntoo tsis muaj teeb meem'. Qhov no puas yog qhov tseeb tiag?
Qhov tseeb, qhov tsis zoo ntawm cov rooj tog ntoo yog cov txheeb ze. Kev siv cov khoom siv ntuj tsim rau cov rooj tog ntoo yog qhov tseeb tsis muaj teeb meem piv rau qhov xav tau ntxiv ntau yam tshuaj thiab cov ntaub ntawv ua tiav. Txawm li cas los xij, feem ntau, cov ntoo siv hauv cov rooj tog ntoo yog los ntawm cov ntoo ntoo, thaum cov ntoo ntoo siv cov ntoo tsawg dua thiab muaj kev siv siab thiab kev ua haujlwm zoo. Feem ntau ntawm cov rooj tog zaum tam sim no ua tau raws li qhov ntsuas tsis muaj teeb meem hauv lub tebchaws, thiab qee cov ntaub ntawv tseem tso tawm cov khoom tsis zoo nyob deb ntawm cov qauv hauv tebchaws. Yog li ntawd, qhov tsis zoo ntawm cov rooj tog ntoo yog qhov txheeb ze, tsis tas yuav muaj kev phom sij.
Misconception 4: Cov khoom siv ntawm cov qhov rooj ntoo yog perfunctory
Cov khoom siv kho vajtse tseem ceeb hauv cov qhov rooj ntoo yog hinges. Qee qhov tsis pom hinges ntawm kev ua lag luam nruab hinges hauv lub qhov rooj nplooj, uas muaj qhov zoo nkauj. Txawm li cas los xij, qhov kev tsim no ua rau nws nyuaj rau kev tshawb pom thaum lub pob khawm tawg, uas tuaj yeem yooj yim ua rau muaj xwm txheej txaus ntshai xws li kev poob ntawm lub qhov rooj. Thaum xaiv hinges, nws yog ib qho tseem ceeb kom paub txog lub khw, hom, thiab cov khoom siv. Tsis txhob yuav peb yam tsis muaj khoom kho vajtse.