Earth Drillers are responsible for the construction of tunnels and shafts
Knowledge of machines and tools, including their designs, uses, repair, and maintenance. 63/100
Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources. 58/100
Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions. 58/100
Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits. 58/100
Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models. 52/100
Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications. 50/100
Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods. 48/100
Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process. 46/100
Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction. 45/100
Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services. 44/100
International Society of Explosives Engineers
National Ground Water Association
Paving, Surfacing, and Tamping Equipment Operators | 47-2071.00
Pile Driver Operators | 47-2072.00
Pipelayers | 47-2151.00
Highway Maintenance Workers | 47-4051.00
Rail-Track Laying and Maintenance Equipment Operators | 47-4061.00
Service Unit Operators, Oil and Gas | 47-5013.00
Excavating and Loading Machine and Dragline Operators, | 47-5022.00Surface Mining
Helpers--Extraction Workers | 47-5081.00
Rail Car Repairers | 49-3043.00
Dredge Operators | 53-7031.00