Which step should you take first after pulling the pin from a fire extinguisher?

The first step after pulling the pin from a fire extinguisher is to aim at the base of the flame. This is crucial because targeting the base ensures that you are addressing the source of the fire itself, rather than just trying to extinguish the flames above it. Fires require fuel, heat, and oxygen to continue burning, and by aiming at the base, you can effectively reduce the fuel supply and tackle the fire more efficiently.

The other actions, while important in the subsequent steps, do not take precedence immediately after pulling the pin. Pulling the lever is necessary to release the extinguishing agent, but without correctly aiming first, the effort may be ineffective. Sweeping from side to side is part of the extinguishing technique used after positioning the extinguisher correctly. Shaking the extinguisher is not a recommended practice, as it can disrupt the internal components and potentially cause malfunction or improper discharge.