1. Nws tsis raug tso cai txau cov tshuaj ua kom corrosive ncaj qha rau ntawm cov cuab yeej siv. Yog tias nws yog qhov yuav tsum tau teeb tsa lub zog ua haujlwm thiab tsav cov menyuam rau tib lub sijhawm, nws yuav tsum tau ua kom ntseeg tau tias cov menyuam ua haujlwm thiab ua haujlwm tau zoo nyob rau tib qib thiab kab hauv nruab nrab kuj tseem xav tau nyob hauv tib txoj kab ncaj, koj tuaj yeem ua tau siv txoj hauv kev ntsuas txhawm rau kho lub kaum sab xis ntawm kev tsav tsheb thiab tsav cov menyuam thav duab.
Qhov thib ob, qhov xav tau cuam tshuam rau kev tso lub workpiece, ua ntej tshaj plaws, qhov hnyav thiab txoj kab uas hla ntawm lub workpiece yuav tsum tau ua nruj me ntsis raws li txoj cai tsim, txwv tsis pub muaj kev phom sij yuav tshwm sim. Koj tuaj yeem ua raws qhov ntev ntawm lub vuam cov menyuam thav duab. , Txhawm rau kho qhov nrug nruab nrab ntawm lub log loj thiab pab cuam kom tsim nyog.
3. Thaum ua haujlwm vuam cov menyuam sawv ntsug, nws cov menyuam yuav tsum muaj kev sib cuag nrog cov khoom ua haujlwm, thiab yuav tsum tsis muaj qhov ntse lossis ntxhib welds, thiab nws raug txwv tsis pub ntaus cov menyuam thaum nqa cov khoom ua haujlwm. Tiv thaiv kev puas tsuaj loj rau cov menyuam lossis lwm yam khoom siv, tab sis yog tias lub cuab yeej tsis kho tas, yog tias muaj kev cuam tshuam loj, nws yuav ua rau tag nrho cov vuam cov menyuam thav duab thim rov qab.