LEVER - Consist of load, fulcrum and effort, INCLINED PLANE - Ramp, WHEEL AND AXLE - A connected wheel to turn the axle, PULLEY - It used to lift objects easily, GEARS - Wheels with teeth,

Табела

Визуелни стил

Поставке

Промени шаблон

Врати аутоматски сачувано: ?