1.b> 1) , , (, ..i>);
2) .i> , ; nuclear [radioactive, electromagnetic] radiation [, ] ; a high level of radiation / ;
3) i> ; dose of radiation [.i> .i> radiation doser>];
2.b> .i> ; radiation of happiness ;
3.b> = radiation therapyr>;
4.b> .i> ( i>);
radiation damage .