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  2. Flapwheel - Wikipedia

    en.wikipedia.org/wiki/Flapwheel

    Early radial flapwheel, for use with an electric drill. A flapwheel and the related flap disk is an abrasive disk, used for metal finishing. Unlike the simpler flat disks, made from a circular flat sheet of a coated abrasive, a flapwheel is made of multiple overlapping small pieces or 'flaps', bonded to a central hub.

  3. Tainter gate - Wikipedia

    en.wikipedia.org/wiki/Tainter_gate

    Pressure forces on a submerged body act perpendicular to the body's surface. The design of the Tainter gate results in every pressure force acting through the centre of the imaginary circle of which the gate is a section, so that all resulting pressure force acts through the pivot point of the gate, making construction and design easier.

  4. Diamond grinding cup wheel - Wikipedia

    en.wikipedia.org/wiki/Diamond_grinding_cup_wheel

    There are two common methods to manufacture diamond grinding cup wheels: hot pressing and cold pressing. The hot pressing method is to directly sinter the diamond segments in molds under a certain pressure in the dedicated sintering press machine, and then fix or connect the diamond segments onto the grinding wheel’s body via high-frequency welding, laser welding or mechanical mosaic method.

  5. Grinding wheel - Wikipedia

    en.wikipedia.org/wiki/Grinding_wheel

    Such wheels are also used in grinding machines. The wheels are generally made with composite material. This consists of coarse-particle aggregate pressed and bonded together by a cementing matrix (called the bond in grinding wheel terminology) to form a solid, circular shape. Various profiles and cross sections are available depending on the ...

  6. Centrifugal fan - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_fan

    Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

  7. 'Vile' sex abuser with dozens of child victims jailed - AOL

    www.aol.com/dangerous-sex-offender-sentenced-27...

    A "prolific and chilling" sex abuser from Northern Ireland has been sentenced to 27 years in prison. David John Andrews, 55, with an address at Maghaberry Prison, pleaded guilty to 130 charges of ...

  8. 10 teens wounded in Queens mass shooting, police say

    www.aol.com/10-hurt-shooting-outside-queens...

    NEW YORK - Police are searching for four suspects after they opened fire into a crowd of 15 people standing outside an event space in Jamaica, Queens. Ten teenagers were hurt in the shooting ...

  9. His Wife Dared Him to Dress Up as Buddy the Elf and Frolic ...

    www.aol.com/wife-dared-him-dress-buddy-093000127...

    Ryan Beeler and his wife, Melissa, flew from their home in Oklahoma to New York City to celebrate his 40th birthday. Before they went, the couple decided to watch Elf to get into the holiday ...

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