Step 1: Concept In steelmaking, specific terms are used to describe the transfer of molten metal between different vessels or into final shapes.
Step 2: Meaning "Tapping" refers to draining metal from a furnace, while "Charging" refers to adding raw materials.
Step 3: Analysis Once steel is refined in a ladle, it must be cast into a solid form. The specific industrial term for pouring this molten steel into individual ingot moulds is teeming.
Step 4: Conclusion Therefore, teeming is the correct technical term for this casting process.
Final Answer: (A)