Сейчас ищут
Gear Up And Gear Down Explained. Смотреть видео: Gears Part 1 Characteristics Gearing Up Gearing Down Science Grade 4 5 TutWay, How Do Gear Ratios Work, NEVER Be Confused By GEAR RATIOS Again EXPLAINED In The MOST VISUAL WAY Using LEGO, Understanding Gears Speed Vs Torque.