I-1. Iinxalenye ezidwelisiweyo kunye neemveliso ezigqityiweyo aziyi kuchithwa ngaphandle de zamkelwe ngamava.
2. I-RARRS kumphezulu wangaphandle we-weldading pipe, i-welding sking, i-welding habs, uthuli, kufuneka isuswe ngaphambi kokuba isuswe ngaxeshanye.
3. Ukuba kukho ioyile kunye negrisi kumphezulu wombhobho wentsimbi ye-Weldied, kufuneka icocwe ngaphambi kokuba isuswe. Ukuba kukho amabala e-oyile kunye negrisi kwinxalenye yendawo, iindlela zokulahla inkunkuma zihlala zikhethwa; Ukuba kukho iindawo ezinkulu okanye zonke iindawo, unokukhetha isoyile okanye i-alkali eshushu yokucoca.
4. Xa kukho i-acid, ialkalis, kunye neetyuwa kumphezulu wombhobho wentsimbi ye-Weldied, unokukhetha ukuzihlamba ngamanzi ashushu okanye i-steam. Nangona kunjalo, ingqalelo kufuneka ihlawulwe ekuchitheni amanzi amdaka, engakwazi ukubangela ungcoliseko lwendalo.
5. Eminye imibhobho yentsimbi engenasitali eqalisiweyo idityaniswe ngepeyinti yokuphilisa ukwenzela ukuthintela i-rust ngexesha lokugcina ixesha elifutshane kunye nezothutho. Imibhobho yentsimbi engenasimo edityanisiweyo yepeyinti yokunyanga iya kuchithwa ngokweemeko ezithile. Ukuba ipeyinti yokuphilisa i-upenter i-timent iphindwe ngurhulumente wokunyanga, kwaye ukungqengqa ngokusisiseko, kunokubanjwa ngendwangu ye-emery, kwaye uthuli lwe-velvet, kwaye uthuli lwentsimbi lunokususwa, kwaye emva koko uthuli lwensimbi.
I-6. I-COORD yokunyanga i-primer okanye iprimeri eqhelekileyo yomphezulu wangaphandle wombhobho we-Weldid ehlala igqitywe ngokomgangatho wokudibana kunye nepeyinti exhasayo elandelayo. Nantoni na engenakusetyenziselwa ukuphinda idibanise okanye ichaphazele i-adhesion yohlobo olulandelayo kufuneka isuswe ngokupheleleyo.
I-Post Tim: NgoDE-18 ukuya ku-919