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 is also important to choose a fire extinguisher that is large enough for the job. For example, an ABC multipurpose dry chemical (Sodium bicarbonate) fire extinguisher can be bought in various sizes. A 1 to 2 lb extinguisher has a 5-8 foot horizontal stream range and will discharge for 8-12 seconds.A 2 to 5 lb extinguisher has a 5-20 foot horizontal stream range and will discharge for 8-20 seconds.In general, a 5 lb or larger dry chemical extinguisher is recommended for general use in an office building, small shop or vehicle.Talk with your local fire inspector for their recommendations regarding the size extinguisher you should provide for the hazards in your area.n general, a 5 lb or larger dry chemical extinguisher is recommended for general use in an office building, small shop or vehicle. Talk with your local fire inspector for their recommendations regarding the size extinguisher you should provide for the hazards in your area.