Final answer:
The next step in sanitizing self-standing equipment is to rinse it thoroughly after washing and sanitizing, using clean water to remove any remaining soap or sanitizing solution.
Step-by-step explanation:
The next step in sanitizing self-standing equipment would be to rinse it thoroughly after washing and sanitizing. Rinsing helps to remove any remaining soap or sanitizing solution from the equipment, ensuring that it is clean and safe to use. To rinse the equipment, clean water should be used and it should flow from the top to the bottom to wash away any microorganisms.