Hold the soldering iron like a pen, near the base of the handle. Inspect the joint closely. It should look shinny and with a volcano shape. Apply a small amount of solder onto the point. Remove the solder, then the soldering iron, while keeping the joint in still position. Touch the soldering iron onto the joint to be soldered.
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Answer:
1. 3
2. 2
3. 1
4. 5
5. 4
Explanation:
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