100. The Power of 3D Printing

According to the essay, what is the main difference between 3D printing and traditional manufacturing?
1. 3D printing uses only plastic, while traditional manufacturing uses metal.
2. 3D printing builds objects layer by layer, while traditional methods often cut or shape materials.
3. 3D printing is much faster and cheaper for all types of objects.
4. 3D printing requires large factories, while traditional manufacturing can be done at home.
What is another name for 3D printing mentioned in the passage?
1. Digital Modeling
2. Creative Manufacturing
3. Subtractive Manufacturing
4. Additive Manufacturing
Which of the following is NOT given as an example of how 3D printing is used?
1. Creating models of organs for surgeons to practice on.
2. Printing food and custom clothing.
3. Mass-producing identical products very cheaply.
4. Making artificial limbs and other medical devices.
The essay states that 3D printing is more environmentally friendly because it
1. uses only biodegradable materials.
2. requires less energy than any other method.
3. uses only the material needed, reducing waste.
4. is primarily used to create eco-friendly products.
Which of the following is mentioned as a current challenge of 3D printing technology?
1. The objects it creates are not very strong or durable.
2. It cannot be used for medical or fashion purposes.
3. The process can be slow for creating large objects.
4. It is impossible to protect designs from being copied.