Purple background with medical mask and antiseptic. School conceptDas Bild Purple background with medical mask and antiseptic. School concept von…

The concept of quarantine in educational institutionsDas Bild The concept of quarantine in educational institutions von Marco Verch kann unter…

Colored pencils, paints, mask and school bus on wooden backgroundDas Bild Colored pencils, paints, mask and school bus on wooden…

Back to school after quarantine concept. Backpack with school supplies and sanitizer and medical protective maskDas Bild Back to school…

Globe in a yellow medical mask on a stack of booksDas Bild Globe in a yellow medical mask on a…

Globe in a medical mask. World danger conceptDas Bild Globe in a medical mask. World danger concept von Marco Verch…

Medical mask hanging on colored pencils with orange backgroundDas Bild Medical mask hanging on colored pencils with orange background von…

Electric thermometer, mask and antiseptic with school suppliesDas Bild Electric thermometer, mask and antiseptic with school supplies von Marco Verch…

Medical mask with an hourglass. The concept of waitingDas Bild Medical mask with an hourglass. The concept of waiting von…

Open pencil case with school supplies, rubber gloves and mask on black backgroundDas Bild Open pencil case with school supplies,…

Open pencil case with school supplies and personal protection items. Study during quarantineDas Bild Open pencil case with school supplies…

Open notepad and medical mask on pink background, top viewDas Bild Open notepad and medical mask on pink background, top…

Frame of school supplies on a black background with the inscription-coronavirus school closedDas Bild Frame of school supplies on a…

Top view, frame of school supplies with a medical mask on a black backgroundDas Bild Top view, frame of school…

English for kids. First lesson. A teacher writing ABC on the whiteboardDas Bild English for kids. First lesson. A teacher…

Learning English alphabet. A teacher starting first English lesson for beginnersDas Bild Learning English alphabet. A teacher starting first English…

Lightbulb on the open bookDas Bild Lightbulb on the open book von Marco Verch kann unter Creative Commons Lizenz genutzt…

Open book with a lightbulbDas Bild Open book with a lightbulb von Marco Verch kann unter Creative Commons Lizenz genutzt…

Lightbulb on a white tableDas Bild Lightbulb on a white table von Marco Verch kann unter Creative Commons Lizenz genutzt…

Hand holding lightbulb against white backgroundDas Bild Hand holding lightbulb against white background von Marco Verch kann unter Creative Commons…

Test tube and syringe, close-upDas Bild Test tube and syringe, close-up von Marco Verch kann unter Creative Commons Lizenz genutzt…

A test tube of blood and medical maskDas Bild A test tube of blood and medical mask von Marco Verch…

Close-up, blue-gloved hand holding a plastic test tube with bloodDas Bild Close-up, blue-gloved hand holding a plastic test tube with…

A plastic tube with blood in the hand. Concept of diagnostic testsDas Bild A plastic tube with blood in the…

Test tube with blood in a hand on a background of the globeDas Bild Test tube with blood in a…

Hand in glove with a test tube of blood on a background of the globeDas Bild Hand in glove with…

Onion microgreen on a blurry laboratory background with microscope and test tubesDas Bild Onion microgreen on a blurry laboratory background…

Empty flasks on a light blue background. Laboratory glasswareDas Bild Empty flasks on a light blue background. Laboratory glassware von…

Set with different laboratory glassware for analysis on a light blue backgroundDas Bild Set with different laboratory glassware for analysis…

Laboratory flask with liquid and dissolving cristamimium potassium permanganateDas Bild Laboratory flask with liquid and dissolving cristamimium potassium permanganate von…

Potassium permanganate solution in a glass flaskDas Bild Potassium permanganate solution in a glass flask von Marco Verch kann unter…

Test flask with purple liquid on light backgroundDas Bild Test flask with purple liquid on light background von Marco Verch…

Laboratory glassware with colored liquids on light backgroundDas Bild Laboratory glassware with colored liquids on light background von Marco Verch…

Glass flasks of different shapes with colored solutions. Concept of chemical experimentsDas Bild Glass flasks of different shapes with colored…

Flasks with reagents, microscope and laboratory glasswareDas Bild Flasks with reagents, microscope and laboratory glassware von Marco Verch kann unter…

Glass flasks with red solution with a microscope in the backgroundDas Bild Glass flasks with red solution with a microscope…

Test tubes with colorful liquids on black backgroundDas Bild Test tubes with colorful liquids on black background von Marco Verch…

Set of laboratory glassware with chemical multi-colored solutions on a black backgroundDas Bild Set of laboratory glassware with chemical multi-colored…

Concept pharmacy and chemistry. Test glass flasks with solutions in research laboratoryDas Bild Concept pharmacy and chemistry. Test glass flasks…

Test tube with scale and white liquid in handDas Bild Test tube with scale and white liquid in hand von…