Complex sentence: Machines can be driven by animals and people, by natural forces such as wind and water, and by chemical, thermal, or electrical power, and include a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement.
Split into simpler sentences: Machines can be driven by animals and people, by natural forces such as wind and water, and by chemical, thermal, or electrical power. They include a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement.