- primary crushing
- первичное дробление* * *первичное дробление
Англо-русский строительный словарь. 2013.
Англо-русский строительный словарь. 2013.
Virginia Democratic primary, 2008 — The 2008 Virginia Democratic primary took place on February 12, 2008, nicknamed the Potomac Primary because the District of Columbia and Maryland also hold Democratic primaries that day. [cite news |title=Up next: the Potomac Primary… … Wikipedia
Crusher — For other uses, see Crusher (disambiguation). A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more… … Wikipedia
Rock crusher — A rock crusher is a machine designed to take large rocks and reduce them to smaller rocks, gravel, or rock dust. Rock crushers produce aggregates and ready to process mining ores, as well as rock fill material for landscaping and erosion control … Wikipedia
Graniterock — Infobox Company company name = Granite Rock Company company company type = Private company slogan = Quality by Design foundation = 1900 location = Watsonville, California key people = Bruce Woolpert, President CEO num employees = 650 industry =… … Wikipedia
Codelco — Type Government owned Industry Mining Founded (1955) Headquarters … Wikipedia
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… … Universalium
tin processing — Introduction preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… … Universalium
Mineral processing — Crushing, a form of comminution, one of the unit operations of mineral processing In the field of extractive metallurgy, mineral processing, also known as mineral dressing or ore dressing, is the process of separating commercially valuable… … Wikipedia
Quartz reef mining — Primary gold typically occurs in quartz veins. The extraction of gold ore from these hard quartz veins was historically referred to as quartz reef mining.A Prussian engineer, Jacob Brache was the first to think that quartz reefs might have even… … Wikipedia
Warren G. Harding: Inaugural Address — ▪ Primary Source Friday, March 4, 1921 When one surveys the world about him after the great storm, noting the marks of destruction and yet rejoicing in the ruggedness of the things which withstood it, if he is an American he breathes… … Universalium