Free illustration materials

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  Solar panel
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  Multimedia terminal-Convenience store terminal
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  Disaster prevention cabinet
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  Flashlight
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  Breast cancer test-mammography (cancer)
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  Various Nixie tubes
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  Inspection (female)
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  Pressure gauge
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  Airport metal detector gate
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  Call bell
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  Guitar effector
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  Person pressing the button
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  Parabolic antenna
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  Person who turns LED poi (female)
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  Drink bar
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  Traffic light that produces sound
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  Micro servo motor
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  Transistor
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  Robot contest (giant)
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  People who care about various security cameras (elderly)
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  Call bell
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  Person reading the manual (male)
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  Clamp meter
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  Toy motor
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  Cyborg
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  Wireless microphone
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  Mail order trouble (machine-male)
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  Traffic light for railway
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  Mark of strong magnetic field caution
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  Factory worker operating the machine

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  Various pedestrian crossings, traffic lights and pedestrians (girl)
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  Thermometer
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  A person who calls a nurse with a nurse call
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  A person who makes weapons with a 3D printer
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  Car battery
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  Dome-shaped security camera
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  TV with color bars
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  Various LED traffic lights
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  Factory tour
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  Switch (Switch ON-Switch OFF)
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  Scanning electron microscope
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  Spraying pesticides