CAN/Canada-Z150-11 – Safety Code on Mobile Cranes
CAN/Canada-Z150.3-11 – Safety Code on Articulating Boom Cranes
CAN/Canada-C22.2 – Safety Code for Material Hoists
ISO 16715:2014 – Hand Signals with Cranes
ASME B30.5 – Mobile and Locomotive Cranes
ASME B30.22 – Articulating Boom Cranes
ASME B30.2, 11, 16, 17 – Overhead and Gantry Cranes
Sailors were the original riggers, where their skills with ropes and knots allowed them to quickly raise sails, and other loads.
Texas employs the most riggers in the United States.