Factor  | 
        Name  | 
        Level  | 
       
      
        1  | 
        2  | 
        3  | 
       
      
        Aeration  | 
        F1  | 
        Aerobic  | 
        Anaerobic  | 
        -----  | 
       
      
        Humidity (ml)  | 
        F2  | 
        0.05  | 
        .1  | 
        .5  | 
       
      
        Glucose    (g)  | 
        F3  | 
        0.001  | 
        0.01  | 
        0  | 
       
      
        Bacteria    (ml)  | 
        F4  | 
        0  | 
        0.01  | 
        0.02  | 
       
      
        Composting    (g)  | 
        F5  | 
        0  | 
        0.001  | 
        0.01  | 
       
      
        Temp.(°C)  | 
        F6  | 
        15  | 
        25  | 
        35  | 
       
      
        Salt    (g)  | 
        F7  | 
        0.05  | 
        0.01  | 
        0.001  | 
       
      
        Urea    (g)  | 
        F8  | 
        0.05  | 
        0.01  | 
        0.001  | 
       
      |