Assertion: margarine | /r/HasProperty | produced
Facets:
value: in between 1900
type: TEMPORAL
Source sentences:
text: The shortage in beef fat supply linked with advances by Sabatier and Boyce in hydrogenation of plant materials increased the use of Bradley’s method and in between 1900 and 1920 oleomargarine was produced from the mixture of animal fats and unhardened and hardened vegetable oils.