Assertion: substitution | /r/HasProperty | done
Facets:
value: as being a legal requirement
type: MANNER
value: voluntarily
type: MANNER
value: by replacing a chemical
type: MANNER
Source sentences:
text: Substitution is done using the subst: modifier after the double opening braces.
text: Since legislation states that substitution can also be done by replacing a chemical with a process (making the hazardous substance unnecessary), elimination can be considered a form of substitution.
text: For example (categorization is just formal) substitution may be done by:
text: As well as being a legal requirement, substitution can also be done voluntarily.