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Orbital sander: A hand-held sander that vibrates in small circles, or "orbits." The sanding disk spinning while moving simultaneously in small ellipses causes the orbital action that it is known for. Mostly used for fine sanding or where little material needs to be removed.
Random-orbital sanders use sandpaper disks, and many include integrated dust collectors. Disks are attached using either pressure-sensitive adhesives or a hook and loop system. On models equipped with a dust collection feature, a vacuum sucks discharged dust through holes in the paper and pad, feeding it to a bag, shop vac , or canister.
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Hand-held belt sander Stationary belt sander. A belt sander or strip sander is a sander used in shaping and finishing wood and other materials. [1] It consists of an electric motor that turns a pair of drums on which a continuous loop of sandpaper is mounted.
In orbital mechanics, a Lissajous orbit (pronounced), named after Jules Antoine Lissajous, is a quasi-periodic orbital trajectory that an object can follow around a Lagrangian point of a three-body system with minimal propulsion.
Falcon 9 Block 5, the most prolific active orbital launch system in the world. This comparison of orbital launch systems lists the attributes of all current and future individual rocket configurations designed to reach orbit. A first list contains rockets that are operational or have attempted an orbital flight attempt as of 2024; a second list ...
NASA's Long Duration Exposure Facility, or LDEF (pronounced "eldef"), was a cylindrical facility designed to provide long-term experimental data on the outer space environment and its effects on space systems, materials, operations and selected spores' survival.
Orbitons can be thought of as energy stored in an orbital occupancy that can move throughout a material, in other words, an orbital-based excitation. An orbiton propagates through a material as a series of orbital excitations and relaxations of the electrons in a material without changes in either the spin of those electrons or the charge at ...