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Theory and practice in balance. Businessman's balancing balls on scale that symbolize harmony and equity between Theory and practice that is good and beneficial
Implementation of theories in practice. Transition of theory into practice with loading bar and the words theory and practice.
Illustration of Value, Chroma and Hue in Color Theory
Color Theory Illustration of Hues, Tints, Tones and Shades
Blackboard inscribed with scientific formulas and calculations in physics and mathematics. Can illustrate scientific topics tied to quantum mechanics, relativity theory and any scientific calculations

Free stock vectorstheory (66)

Think Tank chalk emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-chalk-emblem-430643956">Image used under license from Freestock.com</a>
Think Tank on blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-blackboard-423683359">Image used under license from Freestock.com</a>
Think Tank draw with pencil effectImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-draw-pencil-effect-431469964">Image used under license from Freestock.com</a>
Think Tank chalkboard emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-chalkboard-emblem-written-blackboard-423216211">Image used under license from Freestock.com</a>
Opinion poster or cardImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/opinion-poster-card-415616374">Image used under license from Freestock.com</a>
Opinion on chalkboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/opinion-chalkboard-427060795">Image used under license from Freestock.com</a>
Knowledge chalkboard emblem on black boardImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-chalkboard-emblem-black-board-422682010">Image used under license from Freestock.com</a>
Think Tank golden emblem or badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-golden-emblem-badge-390774214">Image used under license from Freestock.com</a>
Knowledge rubber stamp with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-rubber-stamp-grunge-texture-425380210">Image used under license from Freestock.com</a>
Knowledge emblem with jean backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-emblem-jean-background-420895141">Image used under license from Freestock.com</a>
Knowledge with rubber seal textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-rubber-seal-texture-417754963">Image used under license from Freestock.com</a>
Think Tank on blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-blackboard-428374087">Image used under license from Freestock.com</a>
Knowledge vintage wood emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-vintage-wood-emblem-418317517">Image used under license from Freestock.com</a>
Opinion chalk emblem, retro style, chalk or chalkboard textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/opinion-chalk-emblem-retro-style-chalk-430636720">Image used under license from Freestock.com</a>
Think Tank abstract rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-abstract-rosette-419408701">Image used under license from Freestock.com</a>
Think Tank wood signboardsImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-wood-signboards-428379073">Image used under license from Freestock.com</a>
Knowledge emblem with jean backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-emblem-jean-background-427813669">Image used under license from Freestock.com</a>
Opinion penciledImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/opinion-penciled-431082907">Image used under license from Freestock.com</a>
Think Tank golden emblem or badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-golden-emblem-badge-423954802">Image used under license from Freestock.com</a>
Knowledge gold badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-gold-badge-430653031">Image used under license from Freestock.com</a>
Think Tank with chalkboard textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-chalkboard-texture-384932734">Image used under license from Freestock.com</a>
Think Tank with pencil strokesImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-pencil-strokes-389611210">Image used under license from Freestock.com</a>
Knowledge golden emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-golden-emblem-413161216">Image used under license from Freestock.com</a>
Knowledge grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-grunge-stamp-379851640">Image used under license from Freestock.com</a>
Knowledge chalkboard emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-chalkboard-emblem-385929814">Image used under license from Freestock.com</a>
Knowledge grunge style stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-grunge-style-stamp-415597303">Image used under license from Freestock.com</a>
Knowledge abstract rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-abstract-rosette-412951987">Image used under license from Freestock.com</a>
Knowledge golden emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-golden-emblem-380955724">Image used under license from Freestock.com</a>
Jackpot colorful card, banner or poster with nice designImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/jackpot-colorful-card-banner-poster-nice-377697211">Image used under license from Freestock.com</a>
Knowledge golden badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-golden-badge-372626827">Image used under license from Freestock.com</a>
Think Tank rubber textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-rubber-texture-375903040">Image used under license from Freestock.com</a>
Knowledge chalkboard emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-chalkboard-emblem-376649878">Image used under license from Freestock.com</a>
Think Tank with chalkboard textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-chalkboard-texture-382461121">Image used under license from Freestock.com</a>
Knowledge rubber textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-rubber-texture-360309041">Image used under license from Freestock.com</a>
Think Tank grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-grunge-stamp-351932429">Image used under license from Freestock.com</a>
Think Tank gold shiny emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-gold-shiny-emblem-343921736">Image used under license from Freestock.com</a>
Think Tank rubber sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-rubber-seal-365282690">Image used under license from Freestock.com</a>
Knowledge grunge sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-grunge-seal-375902566">Image used under license from Freestock.com</a>
Think Tank retro style card, banner or posterImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-retro-style-card-banner-355447118">Image used under license from Freestock.com</a>
Think Tank golden emblem or badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-golden-emblem-badge-352380347">Image used under license from Freestock.com</a>
Knowledge grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-grunge-stamp-346236206">Image used under license from Freestock.com</a>
Knowledge bannerImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-banner-371280682">Image used under license from Freestock.com</a>
Goals retro style card, banner or posterImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/goals-retro-style-card-banner-poster-381473020">Image used under license from Freestock.com</a>
Knowledge rubber stamp with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-rubber-stamp-grunge-texture-323308454">Image used under license from Freestock.com</a>
Think Tank gold shiny badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-gold-shiny-badge-347429369">Image used under license from Freestock.com</a>
Think Tank shiny badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/think-tank-shiny-badge-328668962">Image used under license from Freestock.com</a>
Knowledge linear rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-linear-rosette-309345281">Image used under license from Freestock.com</a>
Knowledge rubber grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-rubber-grunge-stamp-328094930">Image used under license from Freestock.com</a>
Knowledge rubber seal with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-rubber-seal-grunge-texture-321876221">Image used under license from Freestock.com</a>
Knowledge rubber grunge texture sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-vectors/knowledge-rubber-grunge-texture-seal-343927943">Image used under license from Freestock.com</a>

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