electicity
Adolfo Kind was born in 1848.
A lubricant. In machines, some kind of oil is often used.A lubricant. In machines, some kind of oil is often used.A lubricant. In machines, some kind of oil is often used.A lubricant. In machines, some kind of oil is often used.
big machines i guess
a compound machine is a combination of simple machines
well it depends on that kind of job
pulley
Perpetual motion machines of the first kind are hypothetical machines that violate the first or second law of thermodynamics by producing energy without any external source. Perpetual motion machines of the second kind are also hypothetical, but they generate energy by utilizing an external source and converting some of it into work without depleting the source. Both types of machines are not possible based on our current understanding of physics.
They invented flying machines
It is a lever
with the help of aquaguard
lever
force