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  2. Putzmeister - Wikipedia

    en.wikipedia.org/wiki/Putzmeister

    Putzmeister was founded by Karl Schlecht in 1958. [3] Schlecht designed a mortar machine based on his diploma thesis at the University of Stuttgart. [4]In 1986, Putzmeister 52Z's were used in the Chernobyl nuclear accident, pumping over 300,000 m 3 (390,000 cu yd) of concrete to entomb reactor number 4, setting a world record at the time for volume pumping.

  3. Concrete pump - Wikipedia

    en.wikipedia.org/wiki/Concrete_pump

    A concrete pump is a machine used for transferring liquid concrete by pumping. There are different types of concrete pumps. There are different types of concrete pumps. A common type of concrete pump for large scale construction projects is known as a boom concrete pump, because it uses a remote-controlled articulating robotic arm (called a ...

  4. Repossession - Wikipedia

    en.wikipedia.org/wiki/Repossession

    Various objects can be repossessed, including boats and aircraft, but most repossession agencies focus on car repossession. The repo agent normally uses a tow truck or pickup truck with a special towing attachment called a boom. They also may obtain the key from the car owner. Usually, the vehicle owner must be notified of a repossession.

  5. Is That Used Car for Sale Really a Repo or Government Surplus?

    www.aol.com/news/2011-03-30-is-that-used-car-for...

    Ads proclaiming "Government Vehicle Disposal" and "The Repo Joe Sale" are designed to steer buyers to special used car sales events under the pretense they're getting a special deal.

  6. Schwing (company) - Wikipedia

    en.wikipedia.org/wiki/Schwing_(company)

    Schwing Concrete pump. The Schwing Group was founded as a medium-sized enterprise on 17 March 1934, by Friedrich Wilhelm Schwing (* 1909; † 1992), a locksmith from Wanne-Eickel. In 1957, Schwing built the world's first oil-hydraulic two-cylinder concrete pump. Starting in 1964, the company also built the first large concrete mixers.

  7. Concrete recycling - Wikipedia

    en.wikipedia.org/wiki/Concrete_recycling

    Concrete waste that is rich in alkaline calcium compounds can be used to remove and recover various elements from an aqueous solution. Waste concrete has been used as a sorbent to remove phosphorus from wastewater after the removal of excess sludge in sewage treatment plants. [27] Concrete waste may also be used as an inexpensive gas treatment ...

  8. High-density solids pump - Wikipedia

    en.wikipedia.org/wiki/High-density_solids_pump

    Reciprocating pumps include plunger, diaphragm, and piston pumps. The high-density solids pumps which can be used in the widest range of situations are piston (or reciprocating) pumps. They can be realized as single-cylinder or two-cylinder pumps. In the latter case, power is transferred to the material via delivery pistons working in push-pull ...

  9. Pump - Wikipedia

    en.wikipedia.org/wiki/Pump

    A small, electrically powered pump A large, electrically driven pump for waterworks near the Hengsteysee, Germany. A pump is a device that moves fluids (liquids or gases), or sometimes slurries, [1] by mechanical action, typically converted from electrical energy into hydraulic or pneumatic energy.