Tus kheej- cov nplaum nplaum tuaj yeem siv tau nrog cov tshuaj tsuag dej, tab sis cov txheej txheem tshwj xeeb thiab kev ceev faj nyob ntawm hom ntawv nplaum thiab kev siv.
Rau nws tus kheej- nplaum phab ntsa nrog cov tshuaj tsuag dej, tsuas yog txau rau sab nraum qab ntawm daim nplaum nrog dej ntxhia lossis dej kais. Qhov no yuav ua rau daim nplaum nplaum o, ua rau nws yooj yim rau kev thov thiab rov ua dua. Cov ntawv nplaum no twb tau coated nrog cov nplaum nplaum rau sab nraub qaum thaum lub sijhawm tsim khoom, thiab txau nrog dej tsim cov nyhuv zoo sib xws rau kev siv cov kua nplaum nplaum.
Rau cov ntawv nplaum zoo li qub, xws li cov ntawv nplaum hauv chav dej, cov tshuaj tsuag dej kuj tuaj yeem siv los pab ua daim ntawv thov. Tom qab ntxuav lub khob saum npoo, txiav cov ntawv nplaum thiab txau nrog dej. Tom qab ntawd, muab nws tso rau hauv lub khob thiab siv lub scraper kom du tawm txhua qhov cua npuas. Cov ntawv nplaum no yog nplaum -dawb thiab tuaj yeem siv tau thiab tshem tawm txhua lub sijhawm, tsis muaj qhov seem. Lawv zoo tagnrho rau cov neeg uas nyiam kho lawv lub tsev.
