Cov lus qhia rau hnav cov khoom siv dag zog: Khaub ncaws yuav tsum hnav thaum ua haujlwm, thiab cov plaub hau ntev thiab cov khaub ncaws thiab hnav kom ceev; Hnav cov hnab looj tes tiv thaiv lossis cov ntaub thaiv npog, cov khau tiv thaiv, thiab yog tias tsim nyog, kaus mom hlau, pob ntseg lossis pob ntseg; Nws yog nruj me ntsis txwv cov hnab looj tes lossis qhib khaub ncaws thaum ua haujlwm.
Kev npaj ua ntej yuav tsum ua ntej ua homework: Tshawb xyuas kev tiv thaiv, cov cuab yeej siv hluav taws xob, cov tshuab hluav taws xob ntawm cov tshuab dhos; Paub meej tias cov workpiece, chuck, fixture, thiab txiav cov cuab yeej yog lawm thiab ruaj ntseg nruab; kho cov lis hauj lwm kom raug; preheat lub tshuab dhos ntawm qhov nrawm nrawm, tshawb xyuas lubrication system thiab cov khoom sib kis; xyuas kom muaj txias txaus; Thaum kho tau los yog so kom cov chaw tig, lub tshuab yuav tsum nres.
Kev ua haujlwm kev nyab xeeb kev ua haujlwm rau kev ua homework: ib txwm them nyiaj rau qhov xwm txheej ua haujlwm thiab tsis txhob tso tus ncej ntawm yuav; Yog koj xav tawm, koj yuav tsum nres thiab txiav tawm ntawm lub zog; nruj me ntsis ua raws cov txheej txheem tseev kom muaj, tswj qhov txiav thiab txiav ceev; Tsis txhob siv tes hloov cov cuab yeej ntxuav cov chips; Txwv cov khoom xa tawm dhau ntawm qhov chaw tig ntawm lub tshuab dhos; Tsis txhob siv rab riam nrog ua kom nrawm nrawm; Cov cuab yeej, ntsuas cov cuab yeej, thiab lwm yam khoom yuav tsum muab tso rau ntawm cov cuab yeej Khib.
