Assertion: lead | /r/CapableOf | make excellent shield
Facets:
value: because of ability
type: CAUSE
value: because of its density
type: CAUSE
value: according to jefferson lab
type: OTHER
Source sentences:
text: Because of its density and ability to absorb vibration, lead also makes an excellent shield against different types of harmful radiation, such as those found in X-ray machines and nuclear reactors, according to Jefferson Lab.