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4#
發表於 2013-1-11 14:54
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回復 kwokhf
入電位鐵片/ 彈弓全部都係青藍色/ 黑色結晶粒
火酒都抹唔甩喎 ...
村上麗奈 發表於 2013-1-11 14:04 
alkaline battery? clean it out with water+vinegar (from ehow.com)
rust on contacts can be clean with sandpaper (very difficult task so most of the time i will just leave it) |
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