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coal mining hydraulic prop vietnam

Underground coal mines About 30 mines Coal production 40 millions tones 2014 Coal rank Antraxite and semiAntraxite 90 Mining Method Longwall 90 Supporting Single or set of hydraulic prop mainly Excavating method Drilling and Blasting Gas drainage system Khe Cham coal mine . 2

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  • Vietnam Coal Sector Update to the 19th Session of the

    Vietnam Coal Sector Update to the 19th Session of the

    Underground coal mines About 30 mines Coal production 40 millions tones 2014 Coal rank Antraxite and semiAntraxite 90 Mining Method Longwall 90 Supporting Single or set of hydraulic prop mainly Excavating method Drilling and Blasting Gas drainage system Khe Cham coal mine . 2

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  • vietnam ways of mining coal

    vietnam ways of mining coal

    Coal mining methods and coal preparation status Coal exploitation in Vietnam is carried out in two ways a Opencast coal mining – currently is dominated by truck and shovel methods. Some of major kit used in opencast mining for the important task of earth mov ing included Russian EKG hydraulic …

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  • Systems   INOXIHP

    Systems INOXIHP

    8261478 lmin 218390 US GPM up to 40 MPa 5800 psi up to 700 kW

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  • Hydraulic Prop   Jining Enwei Intelligent Technology Co

    Hydraulic Prop Jining Enwei Intelligent Technology Co

    China Hydraulic Prop catalog of Underground Dn Inner Injection Single Hydraulic Prop for Coal Mine, Dn28 Steel Single Hydraulic Acrow Prop Jack for Coal Mining provided by China manufacturer Jining Enwei Intelligent Technology Co., Ltd., page1.

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  • Dws25 Double Telescopic Suspension Hydraulic Acrow Prop

    Dws25 Double Telescopic Suspension Hydraulic Acrow Prop

    Single Hydraulic Prop, Roof Prop, Roof Support manufacturer supplier in China, offering Dws25 Double Telescopic Suspension Hydraulic Acrow Prop for Coal Mining, Lxd9L Factory Supply HandPushed Cold Paint Road Line Marking Machine with Powerful Hydraulic System, Electric Power Z Series Mining Tunnel Mucking Loading Machine and so on.

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  • CN102797465A   Underground ultra thin virtual protection

    CN102797465A Underground ultra thin virtual protection

    The invention discloses an underground ultrathin virtual protection layer hydraulic coal mining method, comprising the following steps of drilling and coring to determine the parameters of a coal seam, and selecting the type of ultrathin virtual protection layer hydraulic coal mining determining the layer position and the minimum mining thickness of an ultrathin virtual protection layer ...

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  • Hydraulic prop Manufacturers  amp  Suppliers  China hydraulic

    Hydraulic prop Manufacturers amp Suppliers China hydraulic

    Hydraulic Prop Fittings for Coal Mining Work Hydraulic amp Pneumatic Fittings, CNC Lathe, Male Forged Brass Inconel 625825316LC276 Nickel Based Milling Inquiry Basket Hydraulic Support Fittings for Mining Hydraulic Hose Fittings Hydraulic Hose End Fittings Reusable Hydraulic Hose Fittings

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  • US10036252B2   Method for removing hydraulic support for

    US10036252B2 Method for removing hydraulic support for

    A method for removing a hydraulic support for solid filling coal mining includes digging a support removing channel 3 in a coal body 2 in front of the hydraulic support 1 , and laying a support removing track 4 , then removing the hydraulic support from a coal conveying gateway 11 to a track gateway 5 , temporary supporting is carried out by matching a single supporting ...

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  • Top Prop™ Hydraulic Roof Support   Strata Worldwide

    Top Prop™ Hydraulic Roof Support Strata Worldwide

    The Top Prop allows for easy installation and removal. A release lever is equipped for remote operation. Top Prop is set with water or hydraulic emulsion to offer up to 20 ton support capacities. It can be equipped with Stecko or gunset fill port. Top Prop has interchangeable extensions that allow it to safely reach a height of 10 ft.

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  • An Overview Of Standing Roof Support Practices And

    An Overview Of Standing Roof Support Practices And

    Spider Prop. Another recent development has been the introduction of hydraulic prestressing units, such as the Jackpot system, to various U.S. standing support systems. Several other proptype supports with similarities to systems used in South Africa are in use in U.S. coal mines. Some exciting new developments that improve the installation and

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  • Liaoning Weiyue Group Machinery Manufacturing Co   Ltd

    Liaoning Weiyue Group Machinery Manufacturing Co Ltd

    The national coal machinery industry has designated the professional manufacturers of drums, cutting heads, picks, mining ventilators and series of mine heald lifting equipment for coal mining machines. At the same time, it also undertakes the installation, retracement, coal mining and excavation of mechanical and electrical equipment.

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  • Underground Mining Support  Underground Wall Supports

    Underground Mining Support Underground Wall Supports

    XT 150 Friction Mining Prop Is a yielding friction prop. Installed at 200kN load and 300kN dynamic load on 3msec. The prop is a sacrificial blaston prop and can be used with set pieces in bad areas as arch support. RB 80 Hydraulic Prop Close face support 2m from the face …

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  • The Effect of Mining Exploitation on Environment in Vietnam

    The Effect of Mining Exploitation on Environment in Vietnam

    1997, coal mining in Hon G ai has used about 2,900ha was lost due to the opening of coal sea ms, the dumping of waste rock 6. The natural forest cover was reduced from 33.7 percent in 1970

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  • Coal Mining   an overview   ScienceDirect Topics

    Coal Mining an overview ScienceDirect Topics

    Coal mining, particularly in the case of opencut mines, requires that large areas of land are temporarily disturbed, and perhaps withdrawn from other productive uses such as agriculture, while the process of coal extraction is under way.The land may, however, be returned to productive use after mining or even while mining in other parts of the area is still in progress Figure 1.2.

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  • Shijiazhuang Coal Mining Machinery Co   Ltd

    Shijiazhuang Coal Mining Machinery Co Ltd

    In 2010, the road header entered into Myanmar. And the Chair Lift Transport System entered into Vietnam. In 2015, the road header entered into India. In 2015, we moved to new factory. In 2016, the underground exploration drilling rigs entered into India. Main products Coal Mining Machinery 1.

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  • ZMJ GROUP   郑州煤矿机械集团股份有限公司

    ZMJ GROUP 郑州煤矿机械集团股份有限公司

    Zhengzhou Coal Mining Machinery Group Co., Ltd Hereafter referred to as ‘ZMJ’ was established in 1958. After over half a century’s development, ZMJ has become the largest company in the world in respect of RampD and manufacturing powered roof support used for fully mechanized coal mining.

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  • Underground Mining Support  Underground Wall Supports

    Underground Mining Support Underground Wall Supports

    Elbroc’s products have application in all Mines with Gold, Platinum and Coal the primary market. Elbroc’s inhouse capability has led to the introduction of the Omni 150 prop sacrificial and reusable hydraulic prop. This prop provides up to 190Kn installation load and 400Kn dynamic load at 3ms.

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  • wire spiral hose for coal mining in vietnam

    wire spiral hose for coal mining in vietnam

    Production in the Coal Preparation Industry of Vietnam jig, washery, washery plate, spiral Asian J.No. Coal Productivity mining Co. 1000 tons in the Coal Prep. Industry of Vietnam

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  • kunming mining hydraulic prop

    kunming mining hydraulic prop

    In the case of the highperformance shieldtype support used today in international underground bituminous coal mining, two hydraulic props with double or. Read More. Omni 150 Hydraulic Mining Prop Elbroc Mining Products. OMNI 150 Hydraulic Mining Prop. The Omni 150 sacial hydraulic mining roof support performs in accordance with the CSIR ...

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  • An Overview Of Standing Roof Support Practices And

    An Overview Of Standing Roof Support Practices And

    Spider Prop. Another recent development has been the introduction of hydraulic prestressing units, such as the Jackpot system, to various U.S. standing support systems. Several other proptype supports with similarities to systems used in South Africa are in use in U.S. coal mines. Some exciting new developments that improve the installation and

    Read More
  • DWX Mining Suspension Single Hydraulic Prop Acrow …

    DWX Mining Suspension Single Hydraulic Prop Acrow …

    DWX Mining Suspension Single Hydraulic Prop Acrow Jack applies to coal mining face of the roof support, mechanized mining face of the end plate supporting the head, ahead of tunneling support. Because of its carrying capacity, antibias load capacity, large working stroke, using a wide range, so it can be used in thin seams, medium and thick ...

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  • HYDRAULIC PRESTRESSING UNITS  AN INNOVATION IN …

    HYDRAULIC PRESTRESSING UNITS AN INNOVATION IN …

    Hydraulic prestressing units PSU’s work on the principle whereby a sealed deformable steel diaphragm is inflated with pressurized water resulting in the conversion of hydraulic energy into active loading onto the mine roof and floor upon installation of the roof support. Hydraulic …

    Read More
  • China Coal Mine Roof Support  Coal Mine Roof Support

    China Coal Mine Roof Support Coal Mine Roof Support

    You have a huge variety of products to experience with such as China Coal Mine Roof Support listed above and its similar choices hydraulic cylinder, hydraulic support, hydraulic prop. Match them with the top quality Chinese Coal Mine Roof Support factory amp manufacturers list and more here.

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  • US10036252B2   Method for removing hydraulic support for

    US10036252B2 Method for removing hydraulic support for

    A method for removing a hydraulic support for solid filling coal mining includes digging a support removing channel 3 in a coal body 2 in front of the hydraulic support 1 , and laying a support removing track 4 , then removing the hydraulic support from a coal conveying gateway 11 to a track gateway 5 , temporary supporting is carried out by matching a single supporting ...

    Read More
  • external cost of coal mining crusher australia

    external cost of coal mining crusher australia

    Hydraulic Props Support In Coal Mining coal mining hydraulic prop vietnam Request for Quotation You can get the price list and a GME representative will Mobile Jaw Crusher Manufacturer Australia Contact Learn More . biaxial crushing on the roll crusher robo sand crusher unit cost prices peneira eletrica pre231o primary crusher cost coal mining

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  • China Cheap price Anchor Drilling Rigs   Longtop Mining

    China Cheap price Anchor Drilling Rigs Longtop Mining

    DN inner injection single hydraulic prop could be applied for coal mining face of the roof support and the end plate supporting the head, because of its large carrying capacity, antibias load capacity, large working stroke, using a wide range, so it can be used in thin coal seam, thick coal seam or over thick coal …

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  • Global Hydraulic Roof Supports Market 2019 Industry

    Global Hydraulic Roof Supports Market 2019 Industry

    8.8.5 Zhengzhou Coal Mining Machinery Recent Development. 8.9 Beijing Coal Mining Machinery. 8.9.1 Beijing Coal Mining Machinery Company Details. 8.9.2 Company Overview. 8.9.3 Beijing Coal Mining Machinery Hydraulic Roof Supports Production Revenue and Gross Margin 20142019 8.9.4 Beijing Coal Mining Machinery Hydraulic Roof Supports Product ...

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  • Moving Mr  Tom  one of the largest coal mine draglines in

    Moving Mr Tom one of the largest coal mine draglines in

    Dec 04, 2012018332But when Drummond Coal saw prices for West Alabama’s low sulfur coal rise they decided to restore the 4,000ton behemoth and move it 19 miles to a new mining location.

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  • coal mine hydraulic prop  coal mine hydraulic prop

    coal mine hydraulic prop coal mine hydraulic prop

    A wide variety of coal mine hydraulic prop options are available to you, such as new. You can also choose from manufacturing plant, energy amp mining, and construction works coal mine hydraulic prop, as well as from 1.5 years, 6 months coal mine hydraulic prop, and whether coal mine hydraulic prop is …

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  • Coal Mining Hydraulic Roof Support   Coal Mining Hydraulic

    Coal Mining Hydraulic Roof Support Coal Mining Hydraulic

    Find trusted Coal Mining Hydraulic Roof Support supplier and manufacturers that meet your business needs on Exporthub Qualify, evaluate, shortlist and contact Coal Mining Hydraulic Roof Support companies on our free supplier directory and product sourcing platform.

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  • Coal Mining Suppliers  Manufacturer  Distributor

    Coal Mining Suppliers Manufacturer Distributor

    Alibaba offers 1,616 Coal Mining Suppliers, and Coal Mining Manufacturers, Distributors, Factories, Companies. There are 340 OEM, 297 ODM, 334 Self Patent. Find high quality Coal Mining …

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  • Common Single Hydraulic Prop for Coal Mine   China Single

    Common Single Hydraulic Prop for Coal Mine China Single

    Common Single Hydraulic Prop for Coal Mine, Find Details about Single Hydraulic Prop, Roof Prop from Common Single Hydraulic Prop for Coal Mine Jining Enwei Intelligent Technology Co., Ltd.

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  • Capability Acrow Prop  Adjustable Props  Hydraulic Prop

    Capability Acrow Prop Adjustable Props Hydraulic Prop

    Shandong China Coal Mining Single Hydraulic Props Co., Ltd. specialized in produce Various types mining support equiopment, such as Acrow Prop, Adjustable …

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  • China Coal News China Coal Group News China Coal Trends

    China Coal News China Coal Group News China Coal Trends

    China Coal Group Send A Batch Of Hydraulic Props Of To Guizhou Province. On the afternoon of November 19th, a batch of mining single hydraulic props equipment is loaded in the intelligent equipment manufacturing workshop of China Coal Group, and will be sent to a mine in Z...

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  • Top Prop™ Hydraulic Roof Support   Strata Worldwide

    Top Prop™ Hydraulic Roof Support Strata Worldwide

    The Top Prop allows for easy installation and removal. A release lever is equipped for remote operation. Top Prop is set with water or hydraulic emulsion to offer up to 20 ton support capacities. It can be equipped with Stecko or gunset fill port. Top Prop has interchangeable extensions that allow it to safely reach a height of 10 ft.

    Read More
  • China Underground Coal Mine Single Hydraulic Prop for

    China Underground Coal Mine Single Hydraulic Prop for

    Hydraulic Cylinder, Mining Single Hydraulic Prop, Hydraulic Prop manufacturer supplier in China, offering Underground Coal Mine Single Hydraulic Prop for Tunneling, Heavy Duty Hydraulic Cylinder for Mining Truck Cylinder, FC 5 Stages Front End Telescopic Hydraulic Cylinder for Mining …

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  • China Coal Mine Roof Support  Coal Mine Roof Support

    China Coal Mine Roof Support Coal Mine Roof Support

    You have a huge variety of products to experience with such as China Coal Mine Roof Support listed above and its similar choices hydraulic cylinder, hydraulic support, hydraulic prop. Match them with the top quality Chinese Coal Mine Roof Support factory amp manufacturers list and more here.

    Read More
  • HYDRAULIC PRESTRESSING UNITS  AN INNOVATION IN …

    HYDRAULIC PRESTRESSING UNITS AN INNOVATION IN …

    Hydraulic prestressing units PSU’s work on the principle whereby a sealed deformable steel diaphragm is inflated with pressurized water resulting in the conversion of hydraulic energy into active loading onto the mine roof and floor upon installation of the roof support. Hydraulic …

    Read More
  • The rise and demise of a West Virginia coal mine

    The rise and demise of a West Virginia coal mine

    Aug 05, 2016018332Asian coal demand was tapering, and the new drilling technique of hydraulic fracturing, or fracking, pushed natural gas prices to 10year lows. …

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  • Hydraulic Roof Supports Market 2020 Competition by

    Hydraulic Roof Supports Market 2020 Competition by

    The study encompasses profiles of major CompaniesManufacturers operating in the global Hydraulic Roof Supports Market. Key players profiled in the report include Joy Global, Caterpillar, Becker Mining, Nepean, Famur, Kopex, Tiandi Science amp Technology Co., Ltd, Zhengzhou Coal Mining Machinery Group, Beijing Coal Mining Machinery Co., Ltd, Pingdingshan PMJ Coal Mine Machinery Equipment ...

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  • Avner Vengosh Research Group

    Avner Vengosh Research Group

    Research on the environmental effects of coal mining and coal ash disposal Since the 2008 Tennessee Valley Authority TVA coal ash spill, our team at Duke University has conducted intensive research on the chemical and isotopes fingerprints boron, strontium, lead, radium of coal and coal ash.

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  • Coal   FLSmidth

    Coal FLSmidth

    For coal mining we cover the entire flowsheet, and more than a century of experience enables our experts to optimise your equipment. We have you covered in every step of the process and depending on the condition of your product, you get not only the right equipment, but also get it commissioned to work perfectly for your site.

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  • Coal Mining and Coal Preparation in Vietnam

    Coal Mining and Coal Preparation in Vietnam

    Coal mining methods and coal preparation status Coal exploitation in Vietnam is carried out in two ways a Opencast coal mining – currently is dominated by truck and shovel methods. Some of major kit used in opencast mining for the important task of earth mov ing included Russian EKG hydraulic shovels. Overbur

    Read More
  •  PDF  Status and prospects of underground coal mining

    PDF Status and prospects of underground coal mining

    Underground coal mining in Vietnam plays an important role to not only the sustainable coal industry but also the energy and social security in this country. ... woodenstee lhydrauli c prop ...

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  •  PDF  Coal Mining Industry in Vietnam

    PDF Coal Mining Industry in Vietnam

    Jan 01, 2011018332Vietnam has potential coal reserves with total resources approximately 49 Bt of kinds of coals located over the country. Presently, coal mining industry has important role for …

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  • coal mining hydraulic prop vietnam   beblaromanina it

    coal mining hydraulic prop vietnam beblaromanina it

    coal mining hydraulic prop india retrouvetaclasse.be hydraulic props support in coal mining . Longwall mining is a form of underground coal mining where a long wall of coal is mined in a Miners undercut the coal along the width of the coal face, removing coal as it fell, and used wooden props to control the fall of the A number of hydraulic jacks, called powered roof supports, chocks or shields, …

    Read More
  • Hydraulic prop   Shandong China Coal Industrial  amp  Mining

    Hydraulic prop Shandong China Coal Industrial amp Mining

    China Hydraulic prop catalog of 3.5meters Dw35 Single Adjustable Steel Hydraulic Props, Coal Mining Dwx Series Small Suspension Hydraulic Props provided by China manufacturer Shandong China Coal Industrial amp Mining Supplies Group Co., Ltd., page1.

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  • Coal Mine England Suppliers  all Quality Coal Mine England

    Coal Mine England Suppliers all Quality Coal Mine England

    Vietnam. Main Products clothes,plastic product,Furniture,sunglass,promotion items. Total Revenue US50 Million US100 Million. ... DW28250100 Coal Mining Single Hydraulic Prop for Underground Mining supporting Equip. China supplier QZC Series Pneumatic coal mining car arrester stopper.

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  • China Selling Dwx Mining Suspension Single Hydraulic Prop

    China Selling Dwx Mining Suspension Single Hydraulic Prop

    Selling Dwx Mining Suspension Single Hydraulic Prop Acrow Jack picture from Shandong China Coal Industrial amp Mining Supplies Group Co., Ltd. view photo of Acrow Prop, Hydraulic Prop, Hydraulic Prop Acrow Prop.Contact China Suppliers for More Products and Price.

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  • Rocprop™ Hydraulic Roof Support   Strata Worldwide

    Rocprop™ Hydraulic Roof Support Strata Worldwide

    Rocprop is ideal for use in coal, hard rock and soft rock mining environments. Active support is achieved using hydraulic preloading. For installation, Rocprop is placed into the footboard and extending hydraulically to the roof using any source of fluid pressure, making them usable anywhere there is access to hydraulic, emulsion or water supply. Rocprop is compact,easy to transport and …

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  • Product Videos China Coal Group Videos China Coal Group

    Product Videos China Coal Group Videos China Coal Group

    Single Hydraulic Prop. Joint Bar Fish plate. Railway Parts Railway Platen . Mining Equipment Coal Shearer. Mining Crawler Mucking Rock Loader. Material Mine Car. Mining Equipment Exhibition Hall. Shotcrete Machine. Mining Winch. Wall Rendering Machine. Rebar Cutting Machine. Fog Cannon. 2019 Vietnam Exhibition. 25U Shaped Mining Steel Support

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  • Shandong China Coal Mining Single Hydraulic Props Co   Ltd

    Shandong China Coal Mining Single Hydraulic Props Co Ltd

    Shandong China Coal Mining Single Hydraulic Props Co., Ltd. specialized in Various types mining support equiopment, we supply major categories as following Acrow Prop, Adjustable Props, DWX Suspending Outside Inject Type Single Hydraulic Prop, Steel Acrow Props, Hydraulic Acrow Props, Single Hydraulic Prop, DN Inner Injection Single Hydraulic Prop, DW Single Hydraulic Prop, DWB …

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