Mega Mechanics 1 сезон 3 серия — Эпизод 3

The Mega Mechanics go into high gear with a massive bucket wheel gearbox change. But a stubborn bolt and threatening weather may leave the 23-tonne gearbox swinging in the wind. A mysterious liquid on another gearbox at a coal mine has the Mega Mechanics turn detectives. Then the massive components of underground longwall support and a dam radial gate have the cranes working overtime.