Assertion: robertson screwdriver | /r/HasProperty | easy to use one-handed
Facets:
Source sentences:
text: Robertson screwdrivers are easy to use one-handed, because the tapered socket tends to retain the screw, even if it is shaken.
text: Robertson screwdrivers are easy to use one-handed, because the tapered socket tends to retain the screw, even if it is shaken.:85–86