Search results

From Self-sufficiency
Jump to: navigation, search
  • ...ns to fit the site conditions. Micro hydro projects use a diverse range of equipment; in the smaller sizes industrial centrifugal pumps can be used as turbines, ...ercury in the [[coal]]. Hydroelectricity also avoids the hazards of [[coal mining]] and the indirect health effects of coal emissions.
    39 KB (5,447 words) - 22:02, 2 July 2010
  • ...]. [[Potash]] varies in color from pink or red to white depending on the [[mining]] and recovery process used. [[White potash]], sometimes referred to as sol ...a [[beta radiation]] source for [[calibration]] of [[radiation monitoring equipment]] because natural potassium contains 0.0118% of the [[isotope]] <sup>40</su
    14 KB (1,921 words) - 15:49, 27 September 2010
  • ...new cinnabar mercury mines. Thousands of prisoners were used by the Luo Xi mining company to establish new tunnels.<ref name="GREEN"/> In addition, worker he ====Gold and silver mining====
    69 KB (10,077 words) - 20:35, 20 September 2010
  • ...find use in applications such as the wear plates of crushing equipment in mining operations. Advanced ceramics are also used in the medicine, electrical and
    28 KB (3,876 words) - 09:08, 20 September 2010
  • ...largest bitumen deposit in Canada and the only one accessible to [[surface mining]], although recent technological breakthroughs have resulted in deeper depo ...es, similar to those required for blow torches, welders, and flame-cutting equipment.<ref>{{cite web
    13 KB (1,945 words) - 09:12, 20 September 2010
  • ...mination. Photoanalysis equipment and software is currently being used in mining, forestry and agricultural industries worldwide.
    16 KB (2,356 words) - 09:12, 20 September 2010
  • ...g oil (or “bitumen”) from oil/tar sand and oil shale deposits requires mining the sand or shale and heating it in a vessel or retort, or using “in-situ ...eady to Unlock the Rock|first=Giles|last=Lambertson|publisher=Construction Equipment Guide|url=http://www.cegltd.com/story.asp?story=10092|date=2008-02-16|acces
    69 KB (9,885 words) - 09:12, 20 September 2010
  • {{main|Ore|Mining|Extractive metallurgy}} ...]], which are mined by excavation using heavy equipment, and [[Underground mining (hard rock)|subsurface mines]].
    24 KB (3,311 words) - 09:13, 20 September 2010
  • ...fiberglass, and the manufacture is nowhere near as energy intensive as the mining and production process required for fiberglass. Boric acid is used as a fla ...work with the raw materials to manufacture the product,Personal Protective Equipment is required for all people in the area being sprayed to eliminate exposure
    49 KB (7,250 words) - 09:14, 20 September 2010
  • ...lar rock''' is a form of [[construction aggregate]], typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired s ...vity]] achieved through increased use of [[automation]] and more efficient equipment was mainly responsible for maintaining the prices at this level.<ref name=T
    8 KB (1,229 words) - 09:14, 20 September 2010
  • Sources for these basic materials can be grouped into three main areas: Mining of mineral aggregate deposits, including sand, gravel, and stone; use of wa ...ck]] deposits do not exist. In these areas, natural sand and gravel are [[mining|mined]] for use as aggregate. Where neither stone, nor sand and gravel, ar
    14 KB (1,945 words) - 09:15, 20 September 2010
  • ...ring facility]] or mobile such as [[truck]]s, [[mining]] or [[construction equipment]], applying lubricant is often most effective when it is dispensed in small
    9 KB (1,278 words) - 09:18, 20 September 2010
  • ...edges with equipment such as hand-held [[router]]s, [[grinder]]s, [[CNC]] equipment, or [[Polishing|polishers]]. There has been a recent (2008) hubbub about ra ...hen carved, shaped, and further defined by hand tools and [[sandblasting]] equipment. At this time, the stone for monuments is most commonly granite, sometimes
    34 KB (5,137 words) - 09:21, 20 September 2010
  • [[File:Steel wire rope.JPG|thumb|250px|The steel cable of a [[coal mining|colliery]] [[headframe|winding tower]]]] ...ion]], [[aerospace]], [[white goods]] (e.g. [[washing machine]]s), [[heavy equipment]] such as bulldozers, office furniture, [[steel wool]], [[tool]]s, and [[ar
    44 KB (6,419 words) - 09:22, 20 September 2010
  • ...Ironworks of Thomas Walmley Ltd in [[Bolton]], which closed in 1973. Its equipment, of a type dating from the 1860s, was moved to the [[Blists Hill Victorian ...| title =The Useful Metals and Their Alloys, Including Mining Ventilation, Mining Jurisprudence, and Metallurgic Chemistry | place =London | publisher =Houls
    35 KB (5,392 words) - 09:22, 20 September 2010
  • ...essential for the production of uniform, high quality concrete. Therefore, equipment and methods should be capable of effectively mixing concrete materials cont ...batch water, and final mixing is completed in conventional concrete mixing equipment.<ref>[http://www.concrete.org/COMMITTEES/committeehome.asp?committee_code=0
    63 KB (9,167 words) - 09:23, 20 September 2010
  • ...[[stainless steel]] used for making cutlery, and hospital and food-service equipment.<ref name="Metallo"/> ...ref>{{cite book | last = Muhly | first = James D. | chapter = Metalworking/Mining in the Levant | pages = 174–183 | title =Near Eastern Archaeology IN: Eis
    67 KB (9,808 words) - 09:24, 20 September 2010
  • ...few weeks. However annually thousands of people go to radon contaminated [[Mining|mine]]s for purposeful exposure to help with the symptoms of [[arthritis]] ...cleaning supplies, pesticides, building materials and furnishings, office equipment such as copiers and printers, [[correction fluid]]s and carbonless copy pap
    30 KB (4,388 words) - 20:31, 20 September 2010
  • There are specific regulations as to [[Mining|mines]] and [[quarries]] (reg.8/ Sch.5), and [[oil platform|offshore instal Overhead electric lines - Unintentional incident in which plant or equipment either:
    24 KB (3,474 words) - 20:31, 20 September 2010
  • ...'' apply to all workplaces save for [[ship]]s, [[construction site]]s or [[Mining|mine]]s and [[quarries]]. The '''regulations''' have limited application to *[[First aid]] rooms or equipment.
    8 KB (1,079 words) - 20:31, 20 September 2010

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)