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.
ক) A
খ) B
গ) C
ঘ) D
Related Questions
ক) A
খ) B
গ) C
ঘ) D
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