Courseware for operators of fire-fighting facilities can be purchased online in fire schools and fire departments. Fire departments or fire schools generally have special teaching materials and training courses. You can directly consult and buy courseware for operators of fire facilities. There are many books and teaching materials related to fire fighting in the library. You can borrow or read them, and search online for relevant teaching materials for operators of fire fighting facilities, such as fire fighting regulations and technical standards for fire fighting safety.