. . . . "103317132"@en-us . . "04193035-n"^^ . "a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay"@en-us . . . "0"^^ . "104032932"@en-us . "shielding"^^ . . . "0"^^ . "104193035"^^ . . "shielding"@en-us . . .