Free illustration materials

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  A person who pulls a hot and cold serving car (male)
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  Street vision
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  Escalator
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  Landmine remover
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  Phillips screwdriver
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  Trading card vending machine
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  Stationary game machine (white)
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  Radio transmitter
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  Soldering iron
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  Various patrol lamps (lit)
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  Avatar robot (female)
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  Electric power mark
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  Large engine generator
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  Airplane cockpit
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  Man wearing a breathing cover
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  Bus get-off button
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  Atomizer
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  Snow-melting pipe
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  Various arrow type traffic lights
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  Person using a copy machine (male)
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  Cable drum table
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  Transceiver
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  3D measuring machine
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  Mirror ball
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  X-ray inspection device
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  A person holding a camera with a large telephoto lens (female)
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  Female office worker speaking with a loudspeaker (serious)
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  Ticket vending machine
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  Toy robot
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  Male office worker speaking with a loudspeaker (smile)

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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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  Factory tour
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  Spraying pesticides
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  TV with color bars
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  Various LED traffic lights
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  Switch (Switch ON-Switch OFF)
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  Dome-shaped security camera
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  Factory worker operating the machine
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  Car battery