Complete the sentence to describe 3D printing.
3D printing is an example of [1] manufacturing.
3D printing builds objects by adding material layer by layer, so it is called additive manufacturing.
Complete the sentence to explain a benefit of traditional manufacturing.
Traditional manufacturing is often better for [1] production of identical items.
Traditional manufacturing methods like molding or machining are efficient for mass production of many identical parts.
Fix the error in the sentence about 3D printing speed.
3D printing is usually [1] than traditional manufacturing for large batches.
3D printing is generally slower than traditional manufacturing when making large batches of items.
Fill both blanks to compare customization and tooling.
3D printing allows [1] customization without [2] costs.
3D printing makes it easy to customize parts without the high costs of creating special tools or molds.
Fill all three blanks to complete the comparison of waste, speed, and cost.
3D printing produces less [1], is [2] for prototypes, but [3] for large scale production.
3D printing creates less waste, is faster for making prototypes, but tends to be more expensive for large scale production compared to traditional methods.