Business
Schlüsselwörter
business,
commerce,
economy,
background,
finance,
financial,
commercial,
analysis,
research,
performance,
coal,
mine,
mining,
time,
effectiveness,
efficiency,
productivity,
investigation,
datum,
line,
graph,
curve,
point,
abstract,
pen,
calculating machine,
calculate,
key,
ruler,
scale,
measuring,
measurement
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