Inventions: 3D printing • English Conversation Questions

What is 3D printing and how does it work?
What materials can be used in 3D printing?
What industries is 3D printing commonly used in?
Can 3D printing be used to create functional products or is it limited to prototypes?
What are some examples of products that have been created using 3D printing?
How has 3D printing impacted manufacturing and traditional production methods?
What are the advantages of using 3D printing compared to traditional manufacturing techniques?
What are some limitations of 3D printing?
How has the cost of 3D printing changed over time and is it more affordable now?
What advancements in 3D printing technology are currently being researched or developed?
What do you think the future of 3D printing holds and how might it shape the way we produce goods?