Kev Khij Nruab Nrab Hlau Tsev Kho thiab Phau Ntawv Qhia

Cov txheej txheem hlau yog siv dav hauv kev lag luam, kev lag luam hauv tsev tsis tuaj yeem ua rau lub neej ua haujlwm tsis tu ncua txee .

Kev Tu thiab Kev Ntsuam Xyuas (ib hlis ib zaug)

Nws raug nquahu kom ntxuav cov hlau txee luv luv txhua lub lim tiam {}} Lub pob txha me me kom tsis txhob muaj cov txheej txheem dography, txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau cov qauv hluav taws xob.} yog ib puag ncig yog plua plav lossis noo, kev tu kom huv tuaj yeem tsim nyog nce zuj zus.

Sib sib zog nqus txij nkawm (ib zaug txhua lub hlis)

Kev Tu Me Nyuam Txhua Peb Lub Hlis {{{} Ua ntej, tshwj xeeb yog cov khoom siv tiv thaiv xeb, kom huv si, kev saib xyuas tuaj yeem ua kom luv rau ib zaug txhua ob lub hlis .

Kev Kho Kom Zoo Ib Cheeb Tsam (ib xyoos)

Thaum cov khoom siv hlau yog nyob rau hauv cov av noo, nws tau pom zoo rau cov txheej txheem sab nraud, nws tau txais kev tshuaj ntsuam xyuas thiab ua pov thawj cov ntaub ntawv tsis tu ncua thiab ua pov thawj-ua pov thawj seb puas muaj qhov ua pov thawj tsis tu ncua thiab saib xyuas seb qhov dej ntws tawm unobstruction .

TSHWJ XEEB TSEG QHOV TSEEB LUAG

Yog tias muaj xeb nyob hauv zos, lub xeb yuav tsum tau ua kom zoo nkauj, thiab tshuaj tiv thaiv xeb kom tsis txhob siv cov acidic lossis corosive ntxuav kom tsis txhob ua rau muaj kev puas tsuaj rau saum npoo .

Ua raws li kev txij nkawm sab saud tuaj yeem txhim kho cov khoom siv hlau tsis tu ncua, tab sis kuj tseem ua kom tau ib txwm muaj nyob rau hauv qhov kev mob zoo tshaj plaws.