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.
How often should a CO2 fire extinguisher be pressure tested? NFPA code requires hydrostatic testing of CO2 and other stored pressure extinguishers at no more than 12 year intervals. Because they are also required to be internally inspecâ¦ted every 5 years, some agencies do hydrostatic at 10 year intervals.