A rocket.
A Car
Arthropods (insects, crustaceans, etc.) have exoskeletons made of chitin. Given that, chitin is used to allow arthropods to move.
They are known as steels.
Because it has too many uses.
There are NO specific uses possible only by being 'covalent'. A compound actually can NOT be named 'COVALENT'. Only a special type of bonding is called 'covalent'.
An electrochemical cell, which is sometimes called a battery.
car
Yes, there is such a machine. It is called the human brain.
A machine gun held in the hand called the GAU 51
a generator
There are several:some rocketssome carssome lawnmowerssome airplanessome boatssome generators (they don't move far, but their engine parts move)
auto tune
a flagellate
euglena
He uses a Rolling Cutter or the Silver spoon DDT as his finishing move. He also uses moonsault, drop kicks etc His finishing move is called Cross Rhodes
one uses two limbs to move, the oher uses fourquad=fourbi=two
Pulley-a simple machine that uses grooved wheels and a rope to raise, lower, or move a load.Lever- a stiff bar that rests on a support called a fulcrum which lifts or moves loads.
Not the whole part of the bike but the pedals are levers a kind of simple machine it uses the levers to apply force to the sprocket sprocket is a wheel and axle ,another simple machine,that uses gears to move the chain.