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For stamping brass, universal stamping presses with high productivity are used. Brass is a fairly ductile metal,
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Each measurement is a comparison of the measured quantity with another homogeneous quantity, which
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Few materials have as many different uses as marble. This stone has a number of useful
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Density of gold depending on the sample: table + how to check authenticity
Hello, dear gold lovers! Many admire its pleasant shine, although not everyone knows
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