Steel and manufacturing techniques.
The weapons they used improved over time.
it hasnt
new improved strings
it usto be big now its smaller :]
it was the screen, the battery improved, and the STYLE
resting heart rate
new technology richer more money and improved materials.
new technology richer more money and improved materials.
Airplanes have improved over the years. They are faster, larger and bigger.
You can learn many things about the evolution of microscope by visiting the link below
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