Answer:
I don't know
Explanation:
I don't know, I don't have that knowladge, and It is complocated
 
        
             
        
        
        
Round seals were used to imprint images into clay before 3000 BCE.
        
                    
             
        
        
        
Engineering Design Loop: The steps of the design process include: identify the need, research the problem, develop possible solutions, select the most promising solution, construct a prototype, test and evaluate the prototype, communicate the design, and redesign.
Sorry If this doesn't answer your question. This is the only thing I could find about this topic. 
- Ant <3