價格：免費
更新日期：2016-04-04
檔案大小：2.5 MB
目前版本：1.2
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
The Crane Operator Hand Signals mobile app gives users instant access to all necessary crane hand signals. Every signal included is OSHA Cranes and Derricks Standard compliant. Each signal is shown graphically so that operators can quickly and easily reference the appropriate signal for each command.
支援平台：iPhone