625 Engineering of railroads and roads
625.7 Roads
625.7028 Auxiliary techniques and procedures; apparatus, equipment, materials 625.7092 Highway engineers, . . . vi
625 Kỹ thuật đường sắt và đường bộ
625.7 Đường giao thông
625.7028 Kỹ thuật và quy trình phụ trợ; máy móc, thiết bị, vật liệu 625.7092 Kỹ sư cầu đường, . . . it
625 Ingeneria ferroviaria e stradale
625.7 Strade
625.7028 Tecniche e procedure ausiliarie; apparecchi, attrezzature, materiali 625.7092 Ingegneri stradali, . . . en
625 Engineering of railroads and roads
625.7 Roads
625.70289 Highway safety--engineering 625.7092 Highway engineers 625.72 Surveying and design 625.73 Earthwork 625.74 Dirt roads 625.75 Surfacing dirt roads 625.76 Maintenance and repair 625.77 Roadside areas 625.79 Ice crossings, traffic control equipment, protective roadside barriers
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