Fire Extinguisher Testing NYC The risk of a fire related emergency are practically countless when it comes to factories and warehouses. Most of the time, factories utilize process that use flammable materials and chemicals. Without proper maintenance, the machines used in factories can easily break out in a fire. Electrical equipment present in factories and warehouses can be a fire risk as well, without proper maintenance and safety training. When it comes to warehouses, many of the items stored are particularly prone to the outbreak of a fire as well. If items are not stored properly, flammable materials can likely set fire.