List of abbreviations

A.D.	Anno Domini
AGID	Association of Geoscientists for International Development
AKW	Amberger Kaolinwerke
approx.	Aproximate
B.C.	Before Christ
BGR	German Federal Institute for Geosciences and Raw
Material
cif	Cost insurance freight
COMIBOL	Coorporacion Minera de Bolivia
Coop.	Cooperative
Cord.	Cordillera
CSMRI	Colorado School of Mines
DAV	German Alpine Club
DBM	German Mines Museum
DDR	German Democrate Republic
DE	German Patent
Dept.	Departamento
DM	Deutsch Mark
e.g.	Exempli grati (lat. = for instance)
E/MJ	Engineering Mining Journal
Ed.	Edition
EP	European Patente
etc.	Etcetera
Fig.	Figure(s)
fob.	Free on board
FONEM	Fondo Nacional de Exploracion Minera, La Paz
GATE	German Appropiate Technology Exchange
GFK	Glasfaserverstarkter Kunststoff (glass fibre-reinforced synthetic)
GTZ	Gesellschaft fur Technische Zusammenarbeit (German Technical Cooperation)
KfW	Kreditanstalt fur Wiederaufbau
KHD	Klockner Humboldt Deutz
LA	Latin-America
M.S.L.	Mean Sea Level
MAK	Maximale Arbeitsplatzkonzentration (maximum concentration at work place)
max.	Maximum
min.	Minimum
MWSt	Mehrwertsteuer (value added taxes)
NE	Nichteisen (non-ferrous)
No.	Number
P,	Page
PAAC	Programa de Asistencia Agrobioenergetica al Campesino
PE	Polyethylene
PGM	Platin Group Metals
PVC	Polyviniychlorid
R+D	Research and Development
RFA	X-rayfluorescentanalyses
SKAT	Schweizerische Kontaktstelle fur Angepaßte Technik (Swiss Contact Agency for Appropriate Technology)
SM	Schwermineral (heavy mineral)
TMM	Taller Metal Mecanico
TZ	Technische Zusammenarbeit (Technical Cooperation)
US $	American Dollar
UV	Ultra-violet
VDI	Verein Deutscher Ingenieure (Association of German Engineers)
VITA	Volunteers in Technical Assistance
WHO	World Heath Organisation

PHYSICAL QUANTITIES, SIMBOLS OF FORMULAE AND UNITS

“	Inch, approx. 2.5 cm
%	Per-cen
‘	Foot, approx. 30 cm
<	Smaller then
>	Bigger then
	Difference
A	Ampere
a	Year
W	Width
bar	Bar-pressure
Be	Beaume
C	Degree Celsius
cd	Candela, measurement for degree of luminosity
cm	Centimetre
cm³	Cubic centimetre
d	Diameter, density
D	Diameter, Depth
die	Diameter
En	Electrons' potential
F	Force
f (...)	Function of
ft.	Foot
g	Earth acceleration, 9.81 m/sec²
g	Gramne
G	Weight
h	Hour
H	Height
HP	Horse-Power
in	Inch
kg	Kilogramme
km	Kilometre
KW	Kilowatts
I	Litre
L	Length
lb.	Libra = pound
m	Metre
M	Man
m³	Cubic metre
min-1 Per minute
min.	Minute
mm	Milimetre
MP	Intermediary (middle) product
MS	Man Shift
Mstat	Statistical moment
µ	Micro
µm	Micro meter
n	Amount
N	Newton
oz	Ounze
p	Pressure
pH	Negative decadic log of hydrogen ions or proton concentration
ppb	Parts per billion
ppm	Parts per million
q	Constant factor
R, r	Radius
rpm	Revolutions per minute
sec.	Second
t	Metric ton
TMF	Tonelade metrica fina
v	Speed
V	Voltage
W	Watt
E	Sum
0	Diameter
°	Degree
°C	Degree Celsius

CHEMICAL SYMBOLS

Ag	Silver
Al	Aluminium
Au	Gold
Bi	Bismuth
C	Carbon
Ca	Calcium
Cd	Cadmium
Cu	Copper
Fe	Iron
H	Hydrogen
Hg	Mercury
M²+	Metalion with double valence
N	Nitrogen
O	Oxygen
Pb	Lead
S	Sulphur
Sb	Antimony
Si	Silicon
Sn	Tin
W	Tungsten
Zn	Zin