1. Taem yu putum kakae long wan sospen blong stim, i no gud blong yusum ol kontena blong enamel blong givim, from we ples blong ol enamel kontena oli mekem long enamel, mo enamel i gat ol samting olsem lid blong enamel. Taim em i hatim pinis, dispela bai bagarapim kaikai na bagarapim helt bilong ol man.
2. Taem yu stap givim ol plet, i gud blong yu yusum ol plet blong glas o seramik blong givim. I moa gud blong no yusum ol aluminium plet blong givim, from se aluminium i gat wan kemikol propeti we i aktiv moa mo i isi blong oksidaes long ea. Sapos ol i save yusim planti taim long givim ol kaikai, dispela samting yet bai i no bagarapim tasol, tasol ol kaikai tu bai i gat doti.