Assertion: hitch | /r/CapableOf | use his lightbox
Facets:
value: to tighten the drawing
type: PURPOSE
Source sentences:
text: He will then, depending on how late in the day it is, either redraw the illustration on a sheet of layout paper or use his lightbox to tighten and clean up the drawing, emphasising that the lightbox should not be a mere exercise in tracing, but an opportunity to refine or change elements in the drawing to make it "clean" enough to be inked.