Answer:
electronic processing device
 
        
             
        
        
        
<span>Barricades, vertical panels, drums, and cones in construction zones are known as channelizing devices. They a</span>re used in construction and maintenance work areas <span> to notify drivers or passengers of unusual or potentially dangerous conditions in or near work areas.
</span>A barricade is a portable or fixed device having from one to three rails with appropriate markings. It is used to control traffic by closing, restricting, or delineating all or a portion of the right-of-way.<span>Drums are most commonly used to channelize or delineate traffic flow but may also be used singly or in groups to mark specific locations.</span>
        
             
        
        
        
Technology has impacted society and education throughout history by helping save more lives and distroying them. I think the innovation that has had the most profound on education is being able to connect with teachers to better help us understand even we are not in school like what I am doing right now.