quarry, chalk, equipment, industry, heavy, work, industrial, ecology, mineral, geology, bucket, limestone, pit, digging, excavator, chalky, stone, surface, open, transport, rocky, truck, production, machinery, slope, mine, calcium, fossil, resources, digger, mover, excavators, dredging, yellow, performer, excavation, victim, discipline, machine, actor, environment, outside, prey, vehicle, employee, wheeled vehicle, earth science, transportation, pail, sedimentary rock, rock, worker, spar, adult, motor vehicle, calcareous, resource, hole, laborer, target, science, workman, dodo, person, outdoors, entertainer, situation