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  2. Trommel screen - Wikipedia

    en.wikipedia.org/wiki/Trommel_screen

    A trommel screen, also known as a rotary screen, is a mechanical screening machine used to separate materials, mainly in the mineral and solid-waste processing industries. [1] It consists of a perforated cylindrical drum that is normally elevated at an angle at the feed end. [ 2 ]

  3. Gyratory equipment - Wikipedia

    en.wikipedia.org/wiki/Gyratory_equipment

    Gyratory equipment, used in mechanical screening and sieving is based on a circular motion of the machine. Unlike other methods, gyratory screen operates in a gentler manner and is more suited to handle fragile things, enabling it to produce finer products. [1] This method is applicable for both wet and dry screening.

  4. Screening (tactical) - Wikipedia

    en.wikipedia.org/wiki/Screening_(tactical)

    Screening is often done by reconnaissance units such as cavalry, which operate within range of supporting artillery.In contrast to a guard force, a screening force may consist of a scout platoon rather than a task force or squadron; and its mission is less ambitious, focusing on early warning to the main body rather than preventing enemy observation and direct fire on the main body.

  5. Mechanical screening - Wikipedia

    en.wikipedia.org/wiki/Mechanical_screening

    Mechanical screening, often just called screening, is the practice of taking granulated or crushed ore material and separating it into multiple grades by particle size. This practice occurs in a variety of industries such as mining and mineral processing , agriculture, pharmaceutical, food, plastics, and recycling.

  6. Safety and security features available with AOL Desktop Gold

    help.aol.com/articles/aol-desktop-gold-premium...

    The random letters, numbers, and characters in the top-right of your screen is the anti-keylogging window that disguises the actual keys you type on your keyboard with randomly-generated characters. This feature helps prevent criminals from stealing your sensitive data while you're signed into Desktop Gold.

  7. Find and remove unusual activity on your AOL account

    help.aol.com/articles/find-and-remove-unusual...

    Monitoring your recent login activity can help you find out if your account has been accessed by unauthorized users. Review your recent activity and revoke access to suspicious entries using the info below. Remove suspicious activity. From a desktop or mobile browser, sign in and visit the Recent activity page. Depending on how you access your ...

  8. Screen pass - Wikipedia

    en.wikipedia.org/wiki/Screen_pass

    A screen pass is a play in gridiron football consisting of a short pass to a receiver who is protected by a screen of blockers. [1] During a screen pass, a number of things happen concurrently in order to fool the defense into thinking a long pass is being thrown, when in fact the pass is merely a short one, just beyond the defensive linemen .

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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