Kev kho cov pwm hauv hnab

Soak hauv dej sov soapy ntawm 40 degrees Celsius rau 10 feeb ua ntej kev kho mob niaj hnub. Rau cov khoom siv ntaub dawb huv, soak hauv dej soapy thiab cia thaj chaw pwm kom qhuav hauv lub hnub rau 10 feeb ua ntej kev kho mob niaj hnub.
Xa mus rau lub tsev kho mob kws kho mob rau kev saib xyuas
Tsis tu ncua siv khau polish ntawm tib xim los so lub hnab, ua kom tawv nqaij ci iab thiab noo. Tsis txhob siv cov khau khau ua kua. Thaum siv cov khau khau rau cov khoom tawv tawv, nws yuav tsum tau siv rau ib daim ntaub mos muag lossis daim txhuam cev ua ntej, thiab tom qab ntawd muab lub hnab tshem tawm. Yog tias tsis muaj cov cuab yeej tshaj lij, nws raug nquahu kom xa lawv mus rau cov chaw tu neeg mob xws li L&C cov rooj cob qhia tawv tawv rau kev saib xyuas.