2 ms·
Another confusing consumer-facing classification that persists
by eviks 3y ago
Another confusing consumer-facing classification that persists
- perilunar 3y agoWhat's confusing about it? More Bs = more black (soft), more Hs = more hard. The only thing slightly confusing is 'F', which is just a ½H.
- eviks 3y agoThe opposite of black is not hard Why do you need two letters for a single parameter? You also forgot HB, not just F And the other two columns in the table