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                   SYSTEMS AND TECHNOLOGY                 SOLDERING 1

Soldering involves the use of a mixture of an ALLOY of  LEAD and TIN to create an electrically sound joint between two wires, an inlet and a wire or a component and a Printed Circuit Board. These are the stages of soldering...

Imagine that this is the CROSS SECTION of a wire in a Printed Circuit Board. The Green represents the board while the copper colour represents a wire poking through. It could just as easily be the use of a switch lead and a wire being attached...

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