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What is metal bending?
by Answerbag Staff on June 9th, 2010
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What size is rectangular tube steel?
by Answerbag Staff on May 27th, 2010
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why does pro eutetoid product form at grain boundries of austenite?
by Hemant_C on October 17th, 2010
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eutectic composition usually does not show coring whereas solid solution may show coring . why?
by Hemant_C on October 17th, 2010
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What is the melting temperature of sintered bronze?
by Answerbag Staff on June 11th, 2010
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You're reading Why aluminium foil becomes black? it looks very ugly. is it so that it reacted with something or there is some other reason?