Assertion: pastel's pigment | /r/HasProperty | ground into paste
Facets:
value: in order to create hard and soft pastels
type: PURPOSE
value: with water
type: OTHER
value: with a gum binder
type: MANNER
Source sentences:
text: In order to create hard and soft pastels, pigments are ground into a paste with water and a gum binder and then rolled, pressed or extruded into sticks.