Discuss Forum
1. The electronic conveyor-belt system, which Susan Park (A) adapted from a production-line method (B) pioneered by Thomas Langley, reduced the (C) required time being needed of assembling a SmartGadget device (D) from over ten hours to just 120 minutes.
- A. A
- B. A
- C. A
- D. A
Answer: Option D
Explanation:
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