Friday, April 3, 2020



Apr 15, 2018 - Deep green emeralds are a rare occurrence in nature, hence are highly prized and sought after. Emeralds from Colombian mines have a slight ...
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    https://books.google.lk/books?id=IOEDAAAAMBAJ&pg=PA112&lpg=PA112&dq=why%20diamond%20gem%20inclsions%20do%20not%20give%20a%20star...
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    Kaizen is a  Lean manufacturing tool  that improves quality, productivity, safety, and workplace culture. Kaizen focuses on applying small, ...