Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Teach core rigging skills: Cover rigging hardware identification and inspection, sling selection, hitches, knots, load weight and capacity calculations, sling angles, center of gravity, load control, wedge-socket assembly, crane signals, and operational communication.