Dombo rinoputika (rinowanzozivikanwa sepumice kana porous basalt) imhando yezvinhu zvinoshanda zvekuchengetedza nharaunda.Ibwe rinokosha zvikuru rine porous rakaumbwa negirazi rinoputika, zvicherwa nemabhubhu mushure mekuputika kwegomo.Dombo rinoputika rine sodium, magnesium, aluminium, silicon, uye calciu ...
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