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  2. Compact excavator - Wikipedia

    en.wikipedia.org/wiki/Compact_excavator

    Compact excavator. A Bobcat compact excavator. A compact or mini excavator is a tracked or wheeled vehicle with an approximate operating weight from 0.7 to 8.5 tonnes. [1] It generally includes a standard backfill blade and features independent boom swing. Hydraulic excavators are somewhat different from other construction equipment in that all ...

  3. Power shovel - Wikipedia

    en.wikipedia.org/wiki/Power_shovel

    Power shovels are a type of rope/cable excavator, where the digging arm is controlled and powered by winches and steel ropes, rather than hydraulics like in the modern hydraulic excavators . Basic parts of a power shovel include the track system, cabin, cables, rack, stick, boom foot-pin, saddle block, boom, boom point sheaves and bucket.

  4. Beat (acoustics) - Wikipedia

    en.wikipedia.org/wiki/Beat_(acoustics)

    Beat (acoustics) In acoustics, a beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies. With tuning instruments that can produce sustained tones, beats can be readily recognized.

  5. Excavator controls - Wikipedia

    en.wikipedia.org/wiki/Excavator_controls

    Excavator controls specifies ways of how a human operator controls the digging components (i.e. swing, boom, stick, bucket) of a piece of heavy machinery, such as a backhoe or an excavator. ISO controls [ edit ]

  6. Excavator - Wikipedia

    en.wikipedia.org/wiki/Excavator

    An excavator in Alicante, Spain Hydraulic excavator in action A Marion 111-M dragline excavator in action. (30 seconds) Excavators are heavy construction equipment primarily consisting of a boom, dipper (or stick), bucket and cab on a rotating platform known as the "house" - although the largest form ever, the dragline excavator, eliminated the dipper in favor of a line and winch.

  7. Beats Electronics - Wikipedia

    en.wikipedia.org/wiki/Beats_Electronics

    Beats Electronics LLC. Beats Electronics LLC (also known as Beats by Dr. Dre, or simply Beats by Dre) is an American consumer audio products manufacturer headquartered in Culver City, California. [1] [2] The company was founded in 2006 by music producer Dr. Dre and record company executive Jimmy Iovine. Since 2014, it has been an Apple subsidiary.

  8. Socket AM4 - Wikipedia

    en.wikipedia.org/wiki/Socket_AM4

    Socket AM4 is a PGA microprocessor socket used by AMD 's central processing units (CPUs) built on the Zen (including Zen+, Zen 2 and Zen 3) and Excavator microarchitectures. [1] [2] AM4 was launched in September 2016 and was designed to replace the sockets AM3+, FM2+ and FS1b as a single platform. It has 1331 pin slots and is the first from AMD ...

  9. Four on the floor (music) - Wikipedia

    en.wikipedia.org/wiki/Four_on_the_floor_(music)

    When a string instrument makes the rhythm (rhythm guitar, banjo), all four beats of the measure are played by identical downstrokes. In reggae drumming, the bass drum usually hits on the third beat but sometimes drummers play four on the floor. Sly Dunbar from Sly and Robbie was one of the reggae drummers who played mostly in this style.