in the 1980s, the company undertook a major investment to modernize the outdated logan quarry. a giant mobile primary crusher was designed and built—the world's largest of its kind conveyors were installed to carry rock from the primary crusher to a new wash plant and secondary crushers.
micro-irrigation, sometimes called localized irrigation, low volume irrigation, or trickle irrigation is a system where water is distributed under low pressure through a piped network, in a pre-determined pattern, and applied as a small discharge to each plant or adjacent to it. traditional drip irrigation use individual emitters, subsurface .
the petroleum warfare department pwd was an organisation established in britain in 1940 in response to the invasion crisis during world war ii, when it appeared that germany would invade the country. the department was initially tasked with developing the uses of petroleum as a weapon of war and it oversaw the introduction of a wide range of flame warfare weapons.
the mobile batch plant, also known as a portable concrete plant is a very productive, reliable and cost effective piece of equipment to produce batches of concrete. it allows the user to batch concrete at most any location then move to another location and batch concrete.
alexandra mine and battery is a heritage-listed mine at palmerville station, maytown, shire of cook, queensland, australia.it was built from c. 1878 to 1898. it is also known as alexandra pc.it was added to the queensland heritage register on 21 october 1992.
the largest engineering vehicles and mobile land machines are bucket-wheel excavators, built since the 1920s. 'until almost the twentieth century, one simple tool constituted the primary earthmoving machine: the hand shovel - moved with animal and human powered, sleds, barges, and wagons.
this is a list of equipment of the british army currently in use. it includes small arms, combat vehicles, aircraft, watercraft, artillery and transport vehicles.the british army is the principal land warfare force of the united kingdom, a part of british armed forces.since the end of the cold war, the british army has been deployed to a number of conflict zones, often as part of an .
hammer mills or 'crusher driers' swept with hot kiln exhaust gases have limited application where a soft, wet seven trust material is being ground. the simple design means that it can be operated at a higher temperature than other mills, giving it high drying capacity. however, the grinding action is poor, and the product is often re-ground in a ball .
the richmond mine and battery is significant in queensland's history as demonstrating the life cycle of a well preserved small mine in an isolated area. the battery and winding machinery show a pattern typical of small mines with intermittent production and using second hand plant. the four steam engines on site illustrate a range of .
mobile suit gundam seed 機動戦士ガンダムseed シード , kidō senshi gandamu shīdo is an anime series developed by sunrise and directed by mitsuo fukuda.the ninth installment in the gundam franchise, gundam seed takes place in a future calendar era, in this case the cosmic era, the first to do so.in this era, mankind has developed into two subspecies: naturals, who reside on earth .
small gasoline-powered sawmills run by local entrepreneurs served many communities in the early twentieth century, and specialty markets still today. a trend is the small portable sawmill for personal or even professional use. many different models have emerged with different designs and functions. they are especially suitable for producing .