Foam fire extinguishers, renowned for their adaptability and efficiency, play a crucial role in ensuring fire safety. These extinguishers utilise a foam-based extinguishing substance, typically known as aqueous film forming foam (AFFF), to quell fires, making them especially effective against Class A and B fires involving flammable liquids and solids. https://www.thesafetycentre.co.uk/fire-products/fire-extinguishers-and-fire-blankets/foam-fire-extinguishers-thomas-glover