Plz answer whats a keystone is i am very forgetful

asked Oct 11, 2020 118k views

3 votes

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4 votes

a central stone at the summit of an arch, locking the whole together.

Obelia answered Oct 12, 2020

8.0k points

6 votes

some good good beer my dude

Annalise answered Oct 15, 2020

8.0k points

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