Assertion: emulsion's range | /r/ObjectUse | used in the past
Facets:
value: commonly
type: TEMPORAL
Source sentences:
text: Preferably the viscosity as measured at a shear rate equivalent to 50 R. P. M. should not exceed the range which has commonly been used in the past for brush or spray coatings such as varnishes, enamels, lacquers, etc.