elaborate on:
                
                REF.  | Volume  | Material  | PCS×Bag  | PCS/Carton  | Notes  | 
| KA050 | 12ml  | ps | 200×12 | 2400 | |
| KA051 | 12ml | ps | 200×10 | 2000 | |
| KA051-1 | 12ml | ps | 100×20 | 2000 | screw cap | 
| KA051-2 | 12ml | ps | 200×10 | 2000 | pipette | 
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