They are the systems to quench incipient fires. They can be automatic or manual.
Fire extinguishers: powder – Co2 – automatic – etc …
Fire hydrants equipped (bies) complete hoses with metal cabinet connected to a water outlet.
- A) Wood, coal, fabrics, plastics, etc.
- B) Gasoline, oils, paints, etc.
- C) Propane, methane, city gas, etc.
- D) Metals, minerals, magnesium, sodium, etc.