1. Uma isetshenziswa futhi igcinwe ngokuhambisana nemininingwane, ngeke ibole
Gwema ukuthintana nama-oxides, umswakama/umswakama, ukushisa
2. Izwela umswakama futhi iyavutha, ngakho kufanele igcinwe esiqandisini, futhi izinga lokushisa lokusetshenziswa akufanele lidlule i-80 oC.