Laboratory Technician of the Hospital of St. Jerome, who manipulates doses of isotopes in nuclear medicine laboratory. Acronym and logo of nuclear substances. Doses of radioactive isotopes in a laboratory in the hospital of the Hotel-Dieu de Saint-Jérôme. Sign with logo and inscription of radioactivity (radiation - danger - radiation). Keywords: HOTEL-DIEU DE ST-JEROME HOSPITAL,LABORATORY,RADIOACTIVE MATERIAL,NUCLEAR MEDICINE,RADIOACTIVITY,ST-JEROME,WORKER