opencast mining, earthmoving, concreting, mineral extraction, foresting, brickmaking, landfilling, portland cement, excavating, gravel pit, fly ash, felling, gravelling, dredging, sanitary landfill, skara brae, areca nut, soil erosion, revegetate, upland, concrete mixer, logging, mined, agglomerating, calcine, metalworking, barium sulphate, thatches, liming, metamorphic rock, tipper lorry, balibago, leaching, industrial estate, cypress pine, bailey bridge, urbanise, slaked lime, soda ash, black wattle, calcium oxide, placer mining, steelmaking, cessed, trade unionism, holm oak, calcium carbonate, calcium carbide, tramming, silting, mechanise, asphalted, rubbish dump, woodcutting, surface mine, scrap metal, precast concrete, mulching, igneous rock, baling, raw materials, iron ore, macadamized, polluting, terracing, slag heap, landscaping, digging, excavations, poaching, collecting, cultivation, harvesting, mining, ploughing, deforestation, excavation, experimentation, looting, planting, prospecting, smuggling, borrowing, lumbering, weaving, farming, smelting, exporting, fanning, manufacturing, papermaking, pearling, prosperous, rural, winemaking, devastated, growing, raising, anthracite, capitalintensive, coalmining, collectivized, developed

excavator

production