Fire extinguishers; fire extinguishing apparatus; [ fire extinguishing installations; ] fire extinguishing systems; [ safety, security, protection and signaling devices and equipment, namely, fire-resistant protective enclosures, fire-resistant protective carriers, fire alarms; electronically recorded data, downloadable or on data carriers, namely, electronic data files featuring information on how to use fire extinguishers, fire extinguishing compositions and fireproofing preparations; infor...