Conversation so far:
how many tablespoons are in a soup spoon
A typical large dinner or soup spoon is about 1 tablespoon in size.
how many millilliters can a tablespoon hold
A tablespoon is either approximately or exactly equal to 15 mL.
How many teaspoons is equivalent to 15 mL
3 teaspoons is approximately equivalent to 15 mL.

Question: What are the abbreviations for tablespoons
Self-contained rewrite: What are the abbreviations used to represent tablespoons