1. Ingidi akufanele inethwe yimvula isikhathi eside.Amanzi emvula anayo aqukethe i-nitric acid ne-nitrate, ezogqwalisa ingidi.
2. Njalo gcina ikhanda lokukhiya lihlanzekile futhi ungavumeli izinto zangaphandle zingene kusilinda sokukhiya, okungase kubangele ubunzima ekuvuleni noma ngisho nokuhluleka ukuvuleka.
3. Jova njalo amafutha okugcoba, i-graphite powder noma i-pencil powder endaweni yokukhiya ukusiza ukunciphisa ungqimba lwe-oxide olushiywe isikhathi eside sokusetshenziswa.
4. Naka ukunwebeka nokufinyela okushisayo okubangelwa isimo sezulu (elimanzi entwasahlobo, elomile ebusika) ukuze uqinisekise ukulingana okunengqondo phakathi kwesikhiya nesihluthulelo, nokuqinisekisa ukusetshenziswa kahle kwesikhiya.
Isikhathi sokuthumela: Jul-27-2020
