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  2. A Self-Defense Expert Recommends These 12 Personal ... - AOL

    www.aol.com/10-best-self-defense-weapons...

    The best self-defense weapons are easy to carry and use. Our expert has tested self-defense weapons for years these 12 discrete personal safety devices.

  3. Sand cleaning machine - Wikipedia

    en.wikipedia.org/wiki/Sand_cleaning_machine

    A tractor-pulled beach cleaner at Hietaniemi beach in Helsinki, Finland Walk-behind beach cleaner Tractor Attached Beach Cleaner Raking beach cleaner. A sand cleaning machine, beach cleaner, or (colloquially) sandboni is a vehicle that drags a raking or sifting device over beach sand to remove rubbish and other foreign matter.

  4. Lawn sweeper - Wikipedia

    en.wikipedia.org/wiki/Lawn_sweeper

    A lawn sweeper, also known as a leaf sweeper or lawn brush, is a garden tool for the mechanical removal of debris, such as fallen leaves, pine needles, twigs, grass clippings or litter, from a lawn or paved area. Lawn sweepers operate via a rotating brush mechanism that sweeps up the debris and deposits it in a collection hopper for disposal.

  5. Counter-IED equipment - Wikipedia

    en.wikipedia.org/wiki/Counter-IED_equipment

    A UGV is a vehicle kit system that advances perception, localization and motion planning to protect from IED threats and increase performance in autonomous missions. [27] They typically are adaptable to any tactical wheeled vehicle for the purpose of supervised autonomous navigation in either a lead or follow role. UGVs are multi-sensor systems ...

  6. Self-defense (United States) - Wikipedia

    en.wikipedia.org/wiki/Self-defense_(United_States)

    When the use of deadly force is involved in a self-defense claim, the person must also reasonably believe that their use of deadly force is immediately necessary to prevent the other's infliction of great bodily harm or death. [3] Most states no longer require a person to retreat before using deadly force. In the minority of jurisdictions which ...

  7. Phalanx CIWS - Wikipedia

    en.wikipedia.org/wiki/Phalanx_CIWS

    An entirely self-contained unit, the mounting houses the gun, an automated fire-control system and all other major components, enabling it to automatically search for, detect, track, engage, and confirm kills using its computer-controlled radar system. Owing to this self-contained nature, Phalanx is ideal for support ships, which lack ...