Admiralty-quality forged steel, Admiralty-quality wrought iron and Admiralty-quality non-ferrous.
Isebe eliphethe inqanawa loqobo lwentsimbi eyenziwe ngenkohliso, isebe eliphethe iinqanawa loqobo lwesinyithi esikhandiweyo, kunye nesebe eliphethe inqanawa loqobo olungenziwanga ngantsimbi.