Answers

2015-12-23T17:56:20+05:30
Steel is an alloy article used at home

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2015-12-24T14:29:15+05:30
stainless steel: knife forks sinks
brass: locks, keys , knob.
bronze: keys , statue.
solder: circuit board , tanks, boilers.
beryllium copper: springs and clock parts
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