Assertion: putty rubber | /r/HasProperty | kneaded before first use
Facets:
value: thoroughly
type: MANNER
Source sentences:
text: Putty rubbers need to be kneaded before the first use to expose the porous inner surface which is able to pick the graphite up rather than just smear and to distribute the oil evenly, don’t skip this step if you wish it to work properly.
text: Putty rubbers need to be kneaded thoroughly before the first use.