Izixhobo zentsimbi ezixabisekileyo ziziintsimbi ezibekekileyo ezisetyenziswa kakhulu kwishishini lemichiza ngenxa yokukwazi kwazo ukukhawulezisa inkqubo yeekhemikhali.Igolide, ipalladium, iplatinum, irhodium, kunye nesilivere yeminye yemizekelo yeentsimbi ezixabisekileyo.