Yuav ua li cas paub qhov txawv ntawm cov hmoov putty?

Tam sim no, ntau yam ntawm peb lub tsev tshiab kho kom zoo nkauj yog sib cais los ntawm cov hmoov putty, uas kuj yog ib qho tseem ceeb ntawm kev kho kom zoo nkauj phab ntsa.Ntau tsev neeg tam sim no siv cov hmoov putty hauv lawv lub tsev kho kom zoo nkauj.Txawm li cas los xij, qhov zoo ntawm cov hmoov putty kuj tseem ceeb heev, yog li yuav ua li cas thiaj zoo thiab txhim khu kev qha putty hmoov thaum yuav khoom?Tom ntej no, tus editor yuav qhia rau koj txog kev ceev faj rau kev yuav khoom hauv tsev putty hmoov.

1. Saib ntawm lub ntim
Thaum yuav cov hmoov putty hauv tsev, thawj qhov yuav tsum tau kuaj xyuas yog cov qauv tsim khoom thiab cov ntawv pov thawj ntawm cov hmoov putty.Nyob rau tib lub sijhawm, nco ntsoov xyuas qhov zoo ntawm cov khoom kom paub seb koj puas tau xaiv cov khoom tsim nyog.

2. Saib qhov zoo
Thaum xaiv putty, nws yog ib qho tsim nyog yuav tau xaiv los ntawm cov yam ntxwv ntawm putty hardness, whiteness, fineness, workability, thiab lwm yam. Feem ntau hais lus, nws yog ib qho nyuaj rau kev paub qhov txawv ntawm qhov zoo los yog phem ntawm qhov muag liab qab.Koj tuaj yeem saib qhov viscosity ntawm putty.Yog tias nws zoo, nws muaj viscosity siab, thiab nws zoo thiab zoo.Ntawm qhov tod tes, yog tias nws yog ib qho putty nrog pinholes, nws qhov zoo yuav tsis zoo.Koj tuaj yeem sim siv rab riam grey rau shovel ib co, piv txwv li, zoo li ib co zoo putty, yog tias nws poob sai sai, nws txhais tau hais tias lub putty muaj tsawg viscosity.

3. Saib kev tiv thaiv
Feem ntau hais lus, lawv txhua tus muaj qee qhov kev tiv thaiv cuav, yog li thaum koj xaiv, koj tsuas yog yuav tsum tau khawb tawm cov txheej thiab hu xov tooj kom paub lawv qhov tseeb.

4. Kev sib piv zoo tom qab kev tsim kho putty
Lub putty zoo yuav tsis tawg, yuav tsis poob ntawm cov hmoov, yuav tsis tawm ntawm lub plhaub, lub sij hawm ziab yog nruab nrab, thiab hardness yog nruab nrab.Nyob rau hauv cov txheej txheem tom ntej, nws muab ib qho yooj yim, tiaj tus, dawb, thiab zoo adhesion hauv qab txheej;cov neeg pluag putty txheej zaj duab xis yog npub, thiab yog hais tias tus tswv ntawm kev tsim kho tsis txawj thiab tsis to taub qhov kev ua tau zoo ntawm putty, nws yog feem ntau yuav tshwm sim ntau yam teeb meem.