Izilumkiso ezikhethekileyo ze-graphite crucible yesithinteli esimodareyithiweyo samaza esinyibilikisa iziko lealuminiyam:

1 Qaphela ukuba ungenzi iimpembelelo zoomatshini, ungawi kwindawo ephakamileyo okanye ukubetha;

2 Musa ukunyakanyiswa ngamanzi, gcina endaweni eyomileyo;

3 Emva kokuba isakhiwo sinyibilikile kwaye somile, musa ukusibeka emanzini;

4 Emva kokumisa isithando somlilo, i-aluminium kunye nezinto zobhedu kufuneka zisuswe kangangoko kunokwenzeka, kwaye akukho manzi aseleyo kufuneka ashiywe kwi-crucible;

I-5 Ukusetyenziswa kwe-asidi ye-asidi (i-slag remover, njl.) kufuneka ifaneleke ukuphepha ukubola i-crucible. Ukusetyenziswa ngokugqithiseleyo kuya kubangela ukuba i-crucible kwigumbi lokulala liqhekeke;

I-6 Musa ukubetha i-crucible xa ubeka izinto eziluhlaza, kwaye ungasebenzisi amandla omatshini.

8.2 Ukugcinwa kunye nokuphatha

8.2.1 I-graphite crucible iyoyika amanzi, ngoko ke kuyimfuneko kakhulu ukuphepha umswakama kunye nokuthuthwa kwamanzi;

8.2.2 Nika ingqwalasela kwimikrwelo engaphezulu, kwaye ungabeki isikhonkwane ngqo emgangathweni;

8.2.2 Musa ukuziqengqa ngokuthe tye emgangathweni. Xa utyhala kwaye ujika emhlabeni, kufuneka ucofe izinto ezithambileyo ezifana nekhadibhodi eshinyeneyo okanye amadlavu phantsi ukunqanda ukukrwela umzantsi;

8.2.3 Nceda unike ingqwalasela eyodwa xa uthutha, ungawisi okanye ubethe;