Assertion: keyboard's key | /r/CapableOf | reduce the number of keys
Facets:
Source sentences:
text: In a half QWERTY keyboard, two characters share the same key, which reduces the number of keys and increases the surface area of each key, useful for mobile phones that have little space for keys.
text: In a half QWERTY keyboard, two characters share the same key, which reduces the number of keys and increases the surface area of each key, useful for mobile phones that have little space for keys.