Exploration for oil and gas reserves, drilling and completing wells, operating production facilities, refining crude oil, transporting and storing petroleum products, and conducting maintenance and safety operations.

Building residential and commercial structures, remodeling and renovation projects, road and bridge construction, concrete and masonry work, electrical and plumbing installations, and project management for construction sites.

Exploration for mineral resources, extraction of ores, drilling and blasting, operating heavy machinery, processing minerals, and ensuring safety and environmental regulations.

Receiving, storing, and organizing goods efficiently, managing inventory, order fulfillment, packing, shipping, and maintaining a well-organized warehouse operation.

Production of goods ranging from automobiles, electronics, textiles, and pharmaceuticals to food and beverages. Involves assembly, fabrication, quality control, supply chain management, and continuous process improvement.

Includes tree harvesting, reforestation, forest management, wildlife conservation, sustainable logging, and wood processing.