價格：免費
檔案大小：20.2 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
The WJA formally known as the Association of High Pressure Water Jetting Contractors (AHPWJC) was formed over 30 years ago by a small group of like minded Contractors, Manufacturers and Hirers all committed to raising Safety Standards within the emerging Industry of High Pressure Water Jetting.
支援平台：iPhone, iPad