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The properties of carbon dioxide gas

Carbon dioxide gas is produced from the breathing of humans and animals , It is produced from the combustion of coal or hydrocarbons , the fermentation of liquids , and  It is a colorless...

Robots in space 0

The importance and uses of robots in space

Robotic spacecraft The robots in space are devices which used to aid , augment and substitute for the astronauts to do difficult tasks such as the repairs in dangerous environments , and they capture...

Periscope of submarine 16

The importance, structure and uses of periscope

The periscope is an instrument for observation over, around or through the object, obstacle or condition that prevents direct line-of-sight observation from the observer’s current position, The periscope is used to monitor the dangerous...

Robots in military 0

Military robots uses and importance

The military robots The military robots are the autonomous robots or remote-controlled devices which designed for the military applications, They can walk through the minefields, deactivating unexploded bombs or clearing out hostile buildings.