Answer:
These include weapon identification, fingerprinting, document analysis, chemical identification, and trace analysis of hair and fibers. Two newer disciplines that have become major components of the twenty-first century crime laboratory are DNA analysis and explosive investigation.
Around 2500 years ago, when no one in Europe or the Middle East could melt ... But ancient China was not just technically advanced in iron-making. ... West, had forgotten that China was once technically far advanced compared to the West.
Deliberately destruction.
