Willy's World - Hand Signals


4.2 ( 6692 ratings )
参考 教育
开发 North American Crane Bureau
自由

Willys World - Hand Signals is part of a new range of learning and reference materials that are designed for use on mobile devices such as phones and tablets.

Willys World - Hand Signals covers the complete range of hand signals for the following crane types:
- Mobile Cranes
- Tower Cranes
- Overhead Cranes
- Portal Cranes