Samazinot sarkano dubļu no boksīta vienādojuma
Pēc: techark | Posted in: Jaunumi | Ceturtdiena, Oktobris 31, 2019 - 5:55esmuAluminum is the most common metal element found on Earth. Tomēr, the aluminum we use today comes in the form of aluminum metal and alumina, also known as aluminum oxide,
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