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Schematic diagram of electronic device on sheet of paper. Drawing electrical circuit with lcd display, 
operational amplifier, integrated circuit, 
capacitor, resistor, transistor, controller.
Carpenter and colleague verifying finished wood art product, comparing with blueprint. Artisan and apprentice inspecting wooden object for damages based on schematics on laptop screen, camera B
Man repairer making electricity project in house.Repairs planning.Drawing,diagrams,plan of electrification of apartment,building.Devices,accessories,voltmeter,wires,screwdriver,pliers and tape measure
Abstract 3d city rendering with lines and digital elements. Digital skyscrappers with wire texture. Technology and connection concept. Perspective architecture background with wireframe skyscrapers.

Free stock photosschematic (7)

blue architect toolsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/blue-architect-tools-1166662">Image used under license from Freestock.com</a>
Architect/Designer drawing a circle on a rulerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/architectdesigner-drawing-circle-ruler-63443">Image used under license from Freestock.com</a>
technical plans for furniture designsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/technical-plans-furniture-designs-291321">Image used under license from Freestock.com</a>
Architect/Designer drawing a straight lineImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/architectdesigner-drawing-straight-line-63449">Image used under license from Freestock.com</a>
Architects EssentialsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/architects-essentials-71609">Image used under license from Freestock.com</a>
Architects/designers rulerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/architectsdesigners-ruler-63455">Image used under license from Freestock.com</a>