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60 identical wall clocks were simultaneously started at the opening.
Over time they became different from each other.

Time inevitably passes by, it is a law of nature.
Many people assume factory items to be copies.
However, within every device is a personality.
Every clock was built slightly different, there is no such thing as “the same”.
The differences become greater over time, initially starting the same but inevitably deviating. Does everything eventually become different?