The electric rotary duster is used for large areas.

• A. Getz duster
• B. Electric rotary duster
• C. Bulb duster
• D. ULV device

Answer: (B)

Coverage and dispersion method determine which duster fits large-area work. The electric rotary duster uses a motor to fling dust outward in a wide pattern, letting you cover big spaces quickly and evenly, which is ideal for areas like attics or large rooms. A bulb duster relies on manual squeezing, producing only a small, localized puff—great for cracks and crevices but not efficient for broad areas. A ULV device is designed for liquids delivered as a fine fog, not dry powder, so it serves a different purpose than a powder duster. A Getz duster is typically a manual tool as well, better suited for smaller, targeted spots rather than wide coverage. So the electric rotary duster best fits large-area dusting.