Assertion: foam | /r/MadeOf | glycerin
Facets:
Source sentences:
text: Although the precise dangers posed by the foam were unclear — and 3M had assured the Navy that the foam would have no adverse affect on the environment, according to the report — the authors noted that “practically anything undrinkable by humans is unfit to discharge over the side into the sea” and suggested using instead foam made of glycerin and water.