What are Sources of Ignition?

Sources of ignition refer specifically to items or equipment that can generate sufficient thermal energy to ignite flammable gases or vapors. In the context of LP-gas and other flammable substances, a source of ignition is crucial to understand as it highlights potential hazards where flammable materials may be present.

The correct choice emphasizes that sources of ignition can include devices like open flames, sparks from electrical equipment, or any other equipment capable of generating heat sufficient enough to cause combustion. This understanding is critical for safety in handling and storing LP-gas, as avoiding these ignition sources can significantly reduce the risk of fire or explosions.

The other options mention various attributes and functions (e.g., cooling gas mixtures, containing flammable gases, or absorbing heat energy), but they do not directly relate to the definition of a source of ignition. Instead, they focus on cooling methods or materials that interact with heat differently, which are not relevant in the context of ignition sources. Understanding what constitutes a source of ignition helps individuals working with flammable materials manage risks effectively.