[THE PROBLEM OF RADIATION SAFETY IN WORKING WITH CRUDE MATERIAL WITH A LOW NATURAL RADIOACTIVITY].
D006801:Humans; D011827:Radiation; D011835:Radiation Protection; D011851:Radioactivity; D012449:Safety
RADIATION PROTECTION; RADIOACTIVITY
PROBLEMY RADIATSIONNO I BEZOPASNOSTI PRI RABOTAKH S SYR'EM I MATERIAL AMI MALO I ESTESTVNNO I AKTIVNOSTI.