a nurse in scrubs carefully sprays disinfectant solution from a bottle onto medical equipment and surfaces. She wipes down each area with a clean cloth, making sure to cover every surface thoroughly. The chemical spray creates a light mist as it hits the metal surfaces of medical instruments and bedside tables. Before cleaning, the surfaces appear dull and potentially contaminated, but after wiping they become visibly shiny and sanitized. Another medical staff member watches approvingly while organizing clean supplies nearby. Steam or vapor rises slightly from the freshly cleaned surfaces, indicating the chemical action. cleaning something with a chemical that destroys bacteria and other microorganisms