Artificial
Periodic table
Ichthyology
Lamp
Light
Gemmology
Science-fiction-film
Lightsource
Artificial leather 
Artificial leather is mostly used in the textile industry
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Clarino 

This is an
artificial leather that consists of 60% polyamide and 40% polyurethane
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Periodic table (K) 

Of these, many are not natural and are the product of
artificial nuclear fusion processes
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Ichthyology (K) 

It is a branch of zoology and deals with fish and their natural and
artificial living conditions
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Lamp (K) 
artificial ...
Light (K) 

The main source of light is the sun as opposed to the
artificial which includes incandescent lamps, lasers, light emitting diodes, fluorescent tubes and chemical light
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Gemmology (K) 

Another area is the detection of
artificial property changes (treatment) in gemstones for the purpose of color or clarity improvement
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Science-fiction-film (K) 

Among other things, this includes time travel, confrontations with
artificial intelligence, the earth is about to be destroyed or technology that gets out of control
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Lightsource (K) 

A distinction is made between natural and
artificial light sources
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Canoe racing (K) 

Competition courses are natural bodies of water such as rivers and lakes with low currents,
artificial regatta courses are also used
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Geschäftsiee und Selbstläufer 

Der Weg in die eigene Selbständigkeit beginnt mit einer Geschäftsidee u.zw. vor Gründung des Unternehmens. Ein gute Geschäftsidee mit neuen und weiteren positiven Eigenschaften wird zur
"Geschäftidee u. Selbstläufer" ...