A 15-inch (or 1000mm+ class) multirotor isn't just "big FPV"—it's light industrial equipment that happens to use FPV for visual reference. This is where hobbyist technology meets commercial aerospace principles.

There are many types and specifications of porcelain tableware. Porcelain of different textures, colors and patterns can express its elegant and unique charm.

A cleaning drone is an unmanned aerial vehicle (UAV) equipped with tools and systems designed to clean surfaces. They automate difficult, dangerous, or tedious cleaning tasks, primarily for large structures (building facades, solar panels) or hard-to-reach areas (high windows, tanks, ship hulls).