Which One Of The Following Was Invented By The Greek, Philo In 250 BC?

0
Difficulty
Hard

Which One Of The Following Was Invented By The Greek, Philo In 250 BC?

Question:
Which One Of The Following Was Invented By The Greek, Philo In 250 BC?
a)
Drawing Pins
b)
Nails
c)
Springs
d)
Screws

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Correct Answer
Springs
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