What does grey/white signify in engineering terms?

In engineering terms, the color coding of substances is important for safety and identification purposes. Grey or white typically signifies Halon, a type of fire suppression agent used extensively in engineering and shipboard contexts. Halon is known for its effectiveness in extinguishing fires without causing damage to sensitive electronic equipment, making it particularly valuable in environments like engine rooms and control spaces.

The recognition of Halon by its grey or white color helps personnel quickly identify and handle the substance responsibly, as it is crucial to employ appropriate safety measures when dealing with fire suppression agents. Understanding these color codes enhances operational safety and aids in the efficient management of firefighting resources aboard a vessel, reinforcing the importance of color coding in engineering practices.