Trabajador de laboratorio ilegal sosteniendo matraz con líquido radiactivo, envenenamiento por agua, crimen - Foto e imágenes de stock

Worker of scientific lab analyzing flammable liquid in flask, toxic igniter

Male chemist checking test tubes with biohazard substance, toxicology testing

Person in protective suit taking sample with poison from test-tube, researches

Scientist in gas mask holding test tube with dangerous substance, biohazard

Scientist in chemical protective suit pouring reagent into test tube at laboratory. Virus research

Doctor or nurse in medical mask and PPE holds vial and syringe with Coronavirus vaccine. COVID-19 cure administration. Ready to use shot prepared by health care worker in the hospital.

Female doctor or nurse during corona virus pandemic covid-19 prepares to give vaccine. Frontline health care worker in ppe, glasses mask and antiviral suit, put on blue gloves for vaccination.

Scientist pouring mineral oil into test tube, production from petroleum products

Laboratory technician with tablet PC analyzing blood serum in test tube

Lab assistant adding oily liquid in test tube with transparent yellow substance

Chemist holding flask with blue liquid, domestic detergents production, lab

Biologist dripping liquid in tube with green plant, biofuel production, industry

Researcher analyzing blue transparent liquid in tube, laboratory experiment