📏 **UNDERSTANDING THE PLIMSOLL LINE** The Plimsoll line is one of the most important safety markings on any vessel. This simple but critical line indicates the maximum safe loading depth for a ship under different conditions, preventing overloading and ensuring vessel stability. ❓ **QUIZ QUESTION:** What is the primary purpose of the Plimsoll line on a ship's hull? A) To indicate the age of the vessel B) To show the maximum safe loading depth under different water and weather conditions C) To m