Unfortunately, the provided reference, "Part of a video titled How to Use the Bellow Hand Duster for Applying Insecticide Dust", doesn't explicitly detail how to fill a bulb duster. It focuses on using it to apply insecticide dust. Therefore, a precise step-by-step guide cannot be created solely from that reference.
However, here's the general process, which is often fairly straightforward but depends on the duster's design:
Filling a bulb duster typically involves the following general steps:
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Identify the Fill Point: Look for an opening or a removable part of the duster. This is usually located at the bulb end or the main body of the duster.
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Open the Duster: Depending on the design, you may need to unscrew a cap, remove a plug, or detach the bulb.
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Pour in the Dust: Carefully pour the insecticide dust into the opening, avoiding spills.
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Avoid Overfilling: Do not fill the duster completely; leave some space for air. Overfilling can clog the duster and prevent it from working properly.
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Close the Duster: Securely replace the cap, plug, or bulb. Ensure it's tightly closed to prevent dust from leaking out.