High-sulfur a me haʻahaʻa-sulfur petroleum coke, kūikawā no ka metallurgy a me ka hoʻolei ʻana.  Hāʻawi pololei ʻia e ka mea hana, ma ka waihona a mākaukau no ka hoʻouna koke ʻana
High-sulfur a me haʻahaʻa-sulfur petroleum coke, kūikawā no ka metallurgy a me ka hoʻolei ʻana.  Hāʻawi pololei ʻia e ka mea hana, ma ka waihona a mākaukau no ka hoʻouna koke ʻana
High-sulfur a me haʻahaʻa-sulfur petroleum coke, kūikawā no ka metallurgy a me ka hoʻolei ʻana.  Hāʻawi pololei ʻia e ka mea hana, ma ka waihona a mākaukau no ka hoʻouna koke ʻana
High-sulfur a me haʻahaʻa-sulfur petroleum coke, kūikawā no ka metallurgy a me ka hoʻolei ʻana.  Hāʻawi pololei ʻia e ka mea hana, ma ka waihona a mākaukau no ka hoʻouna koke ʻana
High-sulfur a me haʻahaʻa-sulfur petroleum coke, kūikawā no ka metallurgy a me ka hoʻolei ʻana.  Hāʻawi pololei ʻia e ka mea hana, ma ka waihona a mākaukau no ka hoʻouna koke ʻana