Assertion: razor's blade | /r/HasProperty | single
Facets:
Source sentences:
text: In 1970, Wilkinson Sword introduced the 'bonded blade' razor, which consisted of a single blade housed in a plastic cartridge.
text: Quite simply a double edge safety razor uses just a single blade to get the job done.
text: First you have straight razors; a single blade that can be re sharpened.