De qué está hecho aserradero
Mechanical sawing of logs.
- Rueda hidráulica — tiene como parte. Early sawmills were driven by water wheels.
- Manivela — tiene como parte. A crank turns the wheel’s rotation into the stroke of the saw.
- Sierra — utiliza. The cutting tool is a saw.
- Madera — está hecho de. The sawmill’s mechanism is wooden.