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After the Ctrl+V action, the copied part of the system can be dragged to the desired location in the drawing canvas before pasting it.

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Replacing components (Ctrl+H)

Basic circuits can be replaced by other types of basic circuits by using the replace functionality (Ctrl+H, see operations button). Multiple basic circuits can be replaced at once. E.g. in the system illustrated below, the three active mixing circuits are replaced by three passive mixing circuits with a single replace operation.

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