Ethlos vs WJTA

Ethlos helps construction teams create daily reports from the field using voice input, photos, and structured workflows. Teams can capture jobsite activity faster, generate organized reports, and keep documentation aligned across projects.

The official WJTA mobile app puts essential field tools and member resources in your pocket—built for technicians, supervisors, and authorized personnel in high-pressure waterjetting, hydroblasting, and industrial vacuum operations. Whether you are sizing equipment on the jobsite, checking safety references, or staying current with industry updates, WJTA gives your team fast, reliable access to the resources you use every day. FIELD CALCULATOR SUITE (OFFLINE CAPABLE) Run practical hydroblasting and vacuum calculations anywhere—even without a connection: • Pump Flow Calculator — solve for pressure, flow rate, or horsepower (HHP/IHP) • Nozzle / Orifice Sizing — size nozzles with pressure-loss analysis for hose, lances, and couplings • Tank Volume Calculator — estimate material capacity and payload weight for vacuum trucks and combo units • Material Weight Calculator — calculate load weight from tank volume, fill level, and material density Imperial and metric units are supported across calculators. DOCUMENT LIBRARY Browse WJTA safety documents, specifications, and industry resources by category. Search the full library, preview documents in the app, save files for offline access, and open cached documents when connectivity is limited. NEWS & INDUSTRY LINKS Stay informed with WJTA-curated industry resources and verified external links that open securely in your device browser. Built for the field. Designed for safety. Powered by WJTA. Note: This app is for authorized WJTA corporate members only. A valid member account is required to sign in and use app features.