The invention of blocks of type that could be used to repeat printing of words, individual letters and seals was developed in China using .

Bi Sheng

Explanation:

The invention of blocks of type that could be used to repeat printing of words, individual letters and seals was developed in China using Bi Sheng .

well since twins have about the same dna they dont have one think in common which is the figer print. nobodys fingerprint is the same. if your using twin you would most likely get around the same results for both of them because of the genetics.. i hope this