As far back as 2000 years ago wooden waterwheels were used to convert kinetic energy into mechanical energy.
(wooden waterwheels; were used; to convert kinetic energy into mechanical energy; T:As far back as 2000 years ago) (wooden waterwheels; to convert; kinetic energy; into mechanical energy)
wooden waterwheels wooden waterwheels
were used to convert
to convert kinetic energy into mechanical energy T:As far back as 2000 years ago
kinetic energy into mechanical energy