Aniani puluniu i hānau i loko o ka 1930s. He Heʻano o'okanikaʻole non-mea haoʻia hua mai ma ka pyrophyllite, pōaka one, limestone, dolomite, calcite, brucite, boricʻakika, soda lehu a me nā Nine Inch maka mea. He ai ka malamalama kau paona ana, kiʻekiʻe ikaika, kiʻekiʻe a me ka haahaa wela ia'ku, corrosio ...
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