Occasionally (up to 1/3 of the workday): Kneeling or crouching during field inspections and sampling; pushing or pulling light equipment; reaching above or below shoulder level; riding in heavy equipment; entering and exiting equipment using three-point contact; working at elevations or on elevated platforms; bending and stooping; lifting up to approximately 30–40 pounds, including samples, core boxes, tools, and field equipment; carrying PPE, survey equipment, laptops, and sampling gear; climbing stairs, ladders, and equipment access points; and standing during meetings and field observations. Constantly (2/3 or more of the workday): Using fine motor skills for computers, geological software, GPS, and field instruments; visual observation for geological interpretation, hazard recognition, and reading plans or computer screens; hearing radio communications, alarms, and heavy equipment; communicating with operations personnel, supervisors, contractors, and technical teams; maintaining depth perception around haul roads, highwalls, and other mine features; and maintaining situational awareness in an MSHA-regulated environment.