1 Study your audience â try to find out the age range and the educational or social background. Itâll help you choose the most appropriate wording and references that will appeal to the majority of the targeted audience.  Once the topic is chosen, come up with 3-4 arguments that would speak in favor of your subject.
Fire extinguishers should be maintained at regular intervals (at least once a year), or when specifically indicated by an inspection. Maintenance is a âthorough checkâ of the extinguisher. It is intended to give maximum assurance that an extinguisher will operate effectively and safely.
It would be required to be hydro tested, each 12 years. CO2 extinguishers should have the hose and bell (horn) on the hose end tested for non-conductivity to assure that arcing or electric potential cannot travel to the users body, when used on live electric fires.