Рисунок мелом на зеленой доске - белая медицинская маска крупным планом и копировальное пространство - Стоковое фото и изображение

Medical mask, Medical protective masks on blue background. Prevent coronavirus. Protection against virus, coronavirus, flu. flat lay top view with copy space. Healthcare and medical concept.

Medical mask for protection against viruses on a red background

Medical mask for protection against viruses on a red background

Intravenous infusion. Intravenous infusion. The introduction of liquids, drugs or drugs, blood components in the venous vessel.

Chalk drawing on a green blackboard - white medical mask close-up and copy space

Still-life of a chemical laboratory flasks and test tubes

Frame made of textured old gray paper with a torn hole in the middle and a white background for

Frame made of textured old gray paper with a torn hole in the middle and a white background for

Contour profile of the face of a beautiful girl with closed eyes drawn in white chalk on a blackboard in the bright rays of the sun. Concept - bliss and enjoyment of sunlight and copy space

Coronavirus molecules drawn in white chalk close-up on a green blackboard and a space for copying. Concept-stop covid-19 and back to school

Rolled up roll of bright blue paper on a monochrome background close up with space for copying

Frame made of textured old classic blue paper with a torn hole in the middle and a white background for copy space