Factory possible combinations
    example 1    
   
  player resources  
 
 
  factory slot 1  
 
 
  final resource/
item
 
         
    example 2    
   
  player resources extractor/farm/
field resources
 
 
 
  factory slot 1  
 
 
  final resource/
item
 
         
    example 3    
   
  player resources extractor/farm/
field resources
 
 
 
  factory slot 1  
 
 
  factory slot 2
factory slot 3  
 
 
  final resource/
item
 
         
    example 4    
   
player resources
factory slot 1
extractor/farm/
field resources
 
factory slot 2
factory slot 3
factory slot 4
 
 
  factory slot 5  
 
 
  final resource/
item
 
         
    example 5    
   
player resources
factory slot 1 to 5
extractor/farm/
field resources
 
 
  2nd factory
slot 1 to 5
 
 
 
  final resource/
item
 
         
    example 6    
   
extractor/farm/
field resources
factory
slot 1 to 5
2nd factory
slot 1 to 5
 
3rd factory
slot 1 to 5
5th factory
slot 1 to 5
4th factory
slot 1 to 5
 
 
  final resource/
item