價格：免費
更新日期：2018-08-20
檔案大小：71.9 MB
目前版本：1.1
版本需求：需要 iOS 9.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Tools include: Trench side slope inclinometer, sloping vs. shielding calculator, and a lookup tool for OSHA regulations.
Topics include: Soil classification-- including visual and manual analyses with pictures and video; Design and use of protective systems, Slope charts, Common excavation hazards, and Key definitions.
Designed for use at the job site as a handy lookup and reference tool for health and safety during trenching or excavating.
支援平台：iPhone, iPad