Nā hoʻohana ʻana o ka coke calcined haʻahaʻa-sulfur: hoʻohana ʻia ma ke ʻano he mea hoʻokaʻawale a me ka mea hoʻopihapiha i ka hana ʻana o nā electrodes graphite a me nā huahana kalapona kūikawā; hoʻohana ʻia ma ke ʻano he mea carburizing a mea hōʻemi paha i ka ʻoihana hoʻolei metallurgical, a ma ka ʻoihana titanium.
