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Which of the following additive manufacturing technique(s) can use a wire as a feedstock material?

1. Stereolithography
2. Fused deposition modeling
3. Selective laser sintering
4. Directed energy deposition processes

Correct answer: Directed energy deposition processes

Solution

Directed energy deposition processes utilize a wire feedstock, allowing for the precise addition of material during the manufacturing process, which is essential for creating complex geometries and repairing existing components.

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