Answers

2015-10-08T16:53:02+08:00
Sorry, if I got 4 sample. I hope it can help you a little. :)
1. TIN it is used as a covering for other metals because it does not rust or oxidize in air.
2. Zinc can 
found in combination with other elements.
3. Lead used for 
making water-pipes, utensils, etc. 
4. Copper used in electric wires.
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