ed 10. How many drops of sap or syrup sample are needed in testing the refractometer? re ss 11. It is use for cutting or slicing fish or meat; for scaling fish. 12. It is use for trimming of fins of fish. 13. It is use for picking up or handling food. 14. It is where fish or meat are cut; ingredients are sliced or minced 15. it is use in storing the salted products.​