Assertion: polonium | /r/ObjectUse | used on brush
Facets:
value: for removing dust
type: PURPOSE
Source sentences:
text: It is also used on brushes for removing dust from photographic film and in nuclear physics as a source of alpha radiation.
text: Polonium is also used in brushes for removing dust from photographic films, although the polonium must be carefully sealed to protect the user from contamination.
text: Polonium is used on brushes that remove accumulated dust from photographic films.
text: Polonium is used on brushes that remove accumulated dust from photographic films.
text: Polonium is used on brushes that remove accumulated dust from photographic films.
text: Polonium is used on brushes that eliminate dust that has accumulated on photographic film.
text: It is also used on brushes for removing dust from photographic films.
text: The polonium used in these brushes is sealed and controlled thus minimizing radiation hazards.