Answer:it us used to make batteries in computers and cellphones.
Explanation:
 
        
             
        
        
        
Factory life during the Industrial Revolution<span> was exhausting, unsanitary and dangerous. </span>Factories<span>were damp, noisy, poorly ventilated and badly lit. </span>Workers<span> often had to labor for 12 to 14 hours a day with very few breaks</span>
        
                    
             
        
        
        
<span>by building walls and watch towers.</span>