Which of the following best describes a flammable product?

A flammable product is best described as a material that can easily ignite and burn. Flammable materials have low flash points and can readily catch fire when exposed to a spark, flame, or sufficient heat. This characteristic is crucial to understand in the context of safety, particularly in building services engineering, where fire hazards must be assessed and managed.

In construction and building services, being aware of flammable materials is essential to ensure fire safety regulations are met, as these materials could contribute to the spread of fire. This description is fundamental in helping professionals implement appropriate fire protection measures and to select suitable materials that mitigate fire risks in structures.

The other options do not accurately define flammable products. Safety in construction refers to materials that may or may not be flammable, and biodegradability is unrelated to flammability. Meanwhile, the ability to withstand high temperatures pertains to fire-resistant materials, which is a different classification altogether, highlighting their resilience rather than their ignition capabilities. Thus, understanding the characteristics of flammable products is key for safe practice within the building services engineering field.