| 1. | To keep the metal clean while soldering you will need flux.
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| 2. | Apparently there was soldering work being carried out during the day,
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| 3. | Don't have the Great Mother of All Soldering Irons?
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| 4. | It requires no soldering _ just snap the connections into place.
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| 5. | Soldering iron tips are made of copper core plated with iron.
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| 6. | Basic operations like drilling, soldering etc ., are explained.
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| 7. | The first two products were soldering irons powered by alkaline batteries.
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| 8. | In electronic hand soldering the flux is embedded in the solder.
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| 9. | Typical soldering coppers have heads weighing between one and four pounds.
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| 10. | The task does not require soldering, but is technically challenging.
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