Dictionary Part 2

AD:
method of selling abroad at prices above
nationals, then, does the dumping in their own country. In AD, the
foreign demand is less elastic than the national, either because the
foreign competition is less, or for any other reason.

Anthracite:
Hard coal and black that contains a high percentage of coal
fixed and a low percentage of volatile matter.

Apex:
highest point of a terminal edge of a reef located on the surface or
point closest to the surface.

Tariff:
tax or duty charged to import or export goods.

Clay:
finely granulated materials consisting of aluminum silicates
hydrated.

Arena:
Natural fine aggregate, including grain sizes of 1/16 to 64 mm
(Sand and gravel, as classified by geological sediment grain size).
The manufactured is ground and sieved / ... limestone: mainly grains of material
calcareous / ... coral: coral rubble / Sandstone: sedimentary rock cemented sand
of silica, lime, clay or iron oxide / ... gold: reservoir formed by erosion
gold, transported by water currents, generally deposited on the
beds and river terraces. Containing free gold particles / ... Bituminous or arenas
tar, oil sands, oil sands, sands oilers, are a
combination of clay, sand, water, and bitumen. From the tar sands is extracted
similar to petroleum bitumen which is converted into a synthetic crude oil or
refined directly by specialized refineries for petroleum products.
Their extraction poses severe environmental consequences.

Arid:
granular material is used as raw material in construction,
mainly. Rock that its content is not considered mineral ore. It differs
other materials for their chemical stability and mechanical strength, is characterized
for its size. There are arid those used as raw materials in processes
industry because of its chemical composition.

Start:
mineral extraction. The method depends on the orientation of the reservoir.
If done with horizontal loading and transport systems, if the site is
much of inclined movement of the rock can be effected by gravity.

Attacked:
is used in the upper part of the drill unloaded and consists of dry sand,
detritus or the like. The purpose, prevent detonation when gases
directed upward dragging rock particles around the collar (mouth) of
Drill / plugger: long wooden stick to put explosives in either hole
the auger / Attack: do act on a certain mineral chemical reagents with
elements in order to obtain solution.

Auger:
Manual rotary drilling apparatus using screw mechanism
penetrate, break up and carry the material surface has been drilled.
Frequently used in the exploration of coal.

Gold:
material containing gold.

Assistant:
Annex pit or fireplace to the principal and is often used for personal or
ventilation.

Advance:
length of a work in the mine.

Average:
English term used in international trade to indicate the
average or average is taken as a rule or general pattern.