Assertion: disappearing ink | /r/ObjectUse | used in gag squirtguns
Facets:
value: for limited-time secret messages
type: PURPOSE
value: for fraudulent purposes
type: PURPOSE
Source sentences:
text: Disappearing inks have been used in gag squirtguns, for limited-time secret messages, for security reasons on non-reusable passes, for fraudulent purposes, and for dress-making and other crafts where measurement marks are required to disappear.