PREVIEW
... most important part of every manufacturing process as it will determine if the product is defective or not.
He watched as the quality control officer conducted a visual inspection, mechanical testing, and chemical analysis on the air brake and locomotive draft gear device, which is mostly made of cast iron. So far, they are doing quite well until one of them earned his attention.
"Check it again," Poul said as walked forward to one of the quality control officers who jolted in hi ...
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