Assertion: tritium | /r/HasProperty | small trace level of h
Facets:
value: vanishingly
type: DEGREE
value: in it
type: LOCATION
Source sentences:
text: Well... Tritium is a naturally occurring isotope of hydrogen and, even if an exit sign is made mostly of metal, there is likely to be some vanishingly small trace level of H in it (Hydrogen is a small atom and can be present in significant amounts in certain metals)