👉 The term "mast 1d sp2" is not a valid mathematical concept, as there's no such thing.
Imagine you're trying to use "sp2" (a chemical element) to generate steam in a boiler and your teacher tells you that this requires the temperature of the steam to be 2 degrees Celsius more than the boiling point of water at sea level. This is highly unsettling! Here's an example sentence: "I just learned how to make tea using 'sp2' instead of 'water,' which means I can't use a kettle anymore because it has a high temperature and I have to use a pot to boil water for my tea."
