Assertion: circular accelerator | /r/CapableOf | provide shielding
Facets:
value: against intense secondary radiations
type: TRANSITIVE-OBJECT
Source sentences:
text: Very large circular accelerators are invariably built in tunnels a few metres wide to minimize the disruption and cost of building such a structure on the surface, and to provide shielding against intense secondary radiations that occur, which are extremely penetrating at high energies.