Assertion: illustrator's illustration | /r/ObjectUse | used in textbook
Facets:
Source sentences:
text: Some illustrators might even specialise in producing medical, scientific and technical illustrations that are used in textbooks and online media.
text: These illustrations are used in textbooks, charts, magazines, and advertising - all associated with the medical profession.
text: Their illustrations are used in textbooks, reference books, instruction manuals and technical sales brochures.