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.
Hydrostatic testing intervals for fire extinguishers are outlined in NFPA 10(98), Sec. 5-2 and Table 5-. 2. Test intervals for some of the most commonly found extinguishers are as follows: â¢ Pressurized water, carbon dioxide and wet chemical extinguishers â every 5 years. â¢ Dry chemical extinguishers â every 12 years. As mentioned earlier, the exception to the rule for hydrostatic testing is nonrechargeable stored.