Kev ceev faj rau kev nyab xeeb ntawm kev siv tshuab xaws

1. Cov kev ntsuas tseem ceeb yuav tsum tau soj ntsuam
2. Yuav tsum muaj kev cob qhia kev ua haujlwm ntawm cov khoom siv tshuab xaws.
3. Txhua yam khoom siv kev nyab xeeb yuav tsum tau kuaj xyuas ua ntej siv.
4. Thaum txhim kho lub koob, hloov lub koob, nias ko taw, koob phaj, noj cov hniav, khoov lub koob, tig lub bobbin los yog kho, lub hwj chim yuav tsum muab tua tam sim ntawd.
5. Tua lub hwj chim thaum tawm ntawm lub tshuab xaws lossis chaw ua haujlwm.
6. Thaum siv lub tshuab clutch, tos kom txog thaum lub cev muaj zog tuaj yeem nres.
7. Ntxuav lub tshuab xaws thiab cov khoom siv tam sim ntawd thaum cov roj, roj nplua nyeem lossis lwm yam kua hauv lub qhov muag lossis ntawm daim tawv nqaij.
8. Nws yog txwv tsis pub kov cov khoom lossis cov khoom siv ntawm lub tshuab xaws thaum nws muaj zog.
9. Kev kho, kev hloov kho, thiab kev hloov kho rau cov txheej txheem tseem ceeb ntawm kev lag luam lockstitch thiab overlock tshuab xaws yuav tsum tau ua los ntawm cov kws tshaj lij tshwj xeeb.
10. Kev saib xyuas dav dav yog ua los ntawm cov neeg ua haujlwm tshwj xeeb.
11. Kev kho hluav taws xob yuav tsum tau ua raws li kev saib xyuas thiab kev taw qhia ntawm tus kws tshaj lij hluav taws xob.
12. Cov tshuab xaws yuav tsum tau ntxuav tsis tu ncua thaum siv.
13. Rau kev ua haujlwm ib txwm muaj thiab muaj kev nyab xeeb, cov xaim hauv av yuav tsum tau teeb tsa, thiab yuav tsum tau siv nyob rau hauv ib puag ncig uas tsis cuam tshuam los ntawm cov suab nrov nrov xws li cov tshuab vuam ntau zaus: 14. Fais fab plugs yuav tsum tau nruab los ntawm cov neeg ua haujlwm tshwj xeeb.
15. Cov tshuab lockstitch muaj thiab cov tshuab overlock yuav tsum tsis txhob siv rau lub hom phiaj lwm yam tshaj li qhov tau teev tseg.