3 ms·
"Square" is used all the time in manufacturing and crafts to mean a right angle. https://en.wikipedia.org/wiki/Steel_square https://en.wikipedia.org/wiki/Steel
by compiler-guy 7y ago
"Square" is used all the time in manufacturing and crafts to mean a right angle.
https://en.wikipedia.org/wiki/Steel_square https://en.wikipedia.org/wiki/Steel_square