Test tube with blue solution in female hand, research conceptDas Bild Test tube with blue solution in female hand, research…

Test tube with blue liquid in hand, concept of evaluation of experience resultsDas Bild Test tube with blue liquid in…

Hand with a pipette drips the solution into a plastic flaskDas Bild Hand with a pipette drips the solution into…

Five test tubes filled with colored liquids on whiteDas Bild Five test tubes filled with colored liquids on white von…

Chalk-drawn silhouette of a human head with gears on a black background, human brain conceptDas Bild Chalk-drawn silhouette of a…

Silhouette of human head with rubik's cube, concept of mind, thinking and ideasDas Bild Silhouette of human head with rubik's…

Caring for the planet and the environment, the concept of planetary, global ideasDas Bild Caring for the planet and the…

Great idea, finding solution concept, head silhouette with light bulb on dark backgroundDas Bild Great idea, finding solution concept, head…

Chalk-drawn head of a man and a dollar sign, the concept of thoughts about earning money, business, achieving a goalDas…

Concepts for generating ideas and solutions, multicolored papers in a drawn head silhouetteDas Bild Concepts for generating ideas and solutions,…

Risk and strategy in business, close up of hand stopping wooden block from falling in the line of dominoDas Bild…

Solution concept with hand stopping wooden blocks from falling in the line of dominoDas Bild Solution concept with hand stopping…

Hand stopping wooden blocks from falling in the line of domino, blue backgroundDas Bild Hand stopping wooden blocks from falling…

Puzzle pieces on yellow backgroundDas Bild Puzzle pieces on yellow background von Marco Verch kann unter Creative Commons Lizenz genutzt…

Top view, white puzzles on purple backgroundDas Bild Top view, white puzzles on purple background von Marco Verch kann unter…

Frame made of white puzzle pieces on a red backgroundDas Bild Frame made of white puzzle pieces on a red…

Unfinished build puzzles with a dinosaurDas Bild Unfinished build puzzles with a dinosaur von Marco Verch kann unter Creative Commons…

White puzzle with word Solution & ProblemDas Bild White puzzle with word Solution & Problem von Marco Verch kann unter…

Miniature man looking at a missing puzzle piece with Solution textDas Bild Miniature man looking at a missing puzzle piece…

Group of modern plastic ampules on blue backgroundDas Bild Group of modern plastic ampules on blue background von Marco Verch…

Glass ampoules with large round pills on blue backgroundDas Bild Glass ampoules with large round pills on blue background von…

Medication background with multicolored pills and ampoules on blueDas Bild Medication background with multicolored pills and ampoules on blue von…

Brown ampoule and white tablets on a dark backgroundDas Bild Brown ampoule and white tablets on a dark background von…

Hand holding magnifying glass with Find solution text on orange backgroundDas Bild Hand holding magnifying glass with Find solution text…

Idea light bulb on a orange backgroundDas Bild Idea light bulb on a orange background von Marco Verch kann unter…

Light bulb idea conceptDas Bild Light bulb idea concept von Marco Verch kann unter Creative Commons Lizenz genutzt werden (Namensnennung…

Light bulb with exclamation markDas Bild Light bulb with exclamation mark von Marco Verch kann unter Creative Commons Lizenz genutzt…

Early completed 2020 yearly goals and plans. Concept of achievements in business, family happiness and self-developmentDas Bild Early completed 2020…

Men's hands hold a Rubik's cube on a white backgroundDas Bild Men's hands hold a Rubik's cube on a white…

Rubik's leisure toys in man handsDas Bild Rubik's leisure toys in man hands von Marco Verch kann unter Creative Commons…

Hands of a man with a Rubik's Cube. Puzzle concept, problem solvingDas Bild Hands of a man with a Rubik's…

Packages of Magnesium powder on the white backgroundDas Bild Packages of Magnesium powder on the white background von Marco Verch…

Package of Magnesium powder in the hand above white backgroundDas Bild Package of Magnesium powder in the hand above white…

Package of Magnesium powder on the handDas Bild Package of Magnesium powder on the hand von Marco Verch kann unter…

Last missing puzzle piece.Concept of unfinished task and nearing completionDas Bild Last missing puzzle piece.Concept of unfinished task and nearing…

Frame of white puzzles on a black background with free spaceDas Bild Frame of white puzzles on a black background…

Many pieces from one white mosaic on black backgroundDas Bild Many pieces from one white mosaic on black background von…

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

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…