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Economic utility

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Sanitary engineering. --- Underground utility lines --- Distribution systems

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Text and drawings describe the subways, sewers, building foundations, telephone and power systems, columns, cables, pipes, tunnels, and other underground elements of a large modern city.

Underground utility lines --- Underground construction --- Réseaux souterrains --- Constructions souterraines --- Juvenile literature --- Ouvrages pour la jeunesse

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Hospitals --- Hôpitaux --- Cost control --- Coût --- Contrôle --- Cost-Benefit Analysis. --- Economics, Hospital. --- -Benevolent institutions --- Infirmaries --- Charities, Medical --- Health facilities --- Medical centers --- Hospital Economics --- Economic, Hospital --- Hospital Economic --- economics --- Cost control. --- -Cost control --- Hôpitaux --- Coût --- Contrôle --- Cost-Benefit Analysis --- Economics, Hospital --- Benefits and Costs --- Cost Benefit --- Cost Benefit Analysis --- Cost-Effectiveness Analysis --- Cost-Utility Analysis --- Costs and Benefits --- Economic Evaluation --- Marginal Analysis --- Cost Effectiveness --- Cost-Benefit Data --- Analyses, Cost Benefit --- Analyses, Cost-Benefit --- Analyses, Cost-Utility --- Analyses, Marginal --- Analysis, Cost Benefit --- Analysis, Cost-Benefit --- Analysis, Cost-Effectiveness --- Analysis, Cost-Utility --- Analysis, Marginal --- Cost Benefit Analyses --- Cost Benefit Data --- Cost Effectiveness Analysis --- Cost Utility Analysis --- Cost-Benefit Analyses --- Cost-Utility Analyses --- Data, Cost-Benefit --- Economic Evaluations --- Effectiveness, Cost --- Evaluation, Economic --- Evaluations, Economic --- Marginal Analyses --- Cost and Benefit --- Benefit and Cost

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Nature protection --- Biomathematics. Biometry. Biostatistics --- Forest management --- Renewable natural resources --- Fishery management --- Mathematical models --- Conservation of Natural Resources. --- 63.001.57 --- Economics. --- Fisheries. --- -Forest management --- -Models, Theoretical. --- Trees. --- -Biology, Economic --- -57.087.1 --- 519.86 --- 63 --- 57.087.1 --- 631.151.6 --- Economic biology --- Pests --- Natural resources, Renewable --- Renewable resources --- Resources, Renewable natural --- Natural resources --- Tree --- Forestry --- Forests --- Forest administration --- Forest plants --- Forest resource administration --- Forest resource management --- Forest stewardship --- Forest vegetation management --- Forestry management --- Forests and forestry --- Stewardship, Forest --- Vegetation management, Forest --- Ecosystem management --- Fish management --- Fisheries --- Fisheries management --- Fishery resources --- Aquatic resources --- Wildlife management --- Fish counting towers --- Overfishing --- Fishery --- Capital --- Conditions, Economic --- Consumption --- Cost of Living --- Easterlin Hypothesis --- Economic Conditions --- Economic Factors --- Economic Policies --- Economic Policy --- Economics, Home --- Factors, Economic --- Home Economics --- Household Consumption --- Macroeconomic Factors --- Microeconomic Factors --- Policies, Economic --- Policy, Economic --- Production --- Remittances --- Utility Theory --- Consumer Price Index --- Condition, Economic --- Consumer Price Indices --- Consumption, Household --- Economic Condition --- Economic Factor --- Factor, Economic --- Factor, Macroeconomic --- Factor, Microeconomic --- Factors, Macroeconomic --- Factors, Microeconomic --- Household Consumptions --- Hypothesis, Easterlin --- Index, Consumer Price --- Indices, Consumer Price --- Living Cost --- Living Costs --- Remittance --- Theories, Utility --- Theory, Utility --- Utility Theories --- Carrying Capacity --- Deforestation --- Desertification --- Environmental Protection --- Natural Resources Conservation --- Protection, Environmental --- Sustainable Development --- Capacities, Carrying --- Capacity, Carrying --- Carrying Capacities --- Conservation, Natural Resources --- Development, Sustainable --- Natural Resources --- Agriculture and related sciences and techniques. Forestry. Farming. Wildlife exploitation--?.001.57 --- Biometry. Statistical study and treatment of biological data --- Theory of economic-mathematical models --- Integrated farm production systems. Sustainable agriculture --- Economic aspects --- Management --- Administration --- Control --- Fish Farms --- Fish Hatcheries --- Farm, Fish --- Farms, Fish --- Fish Farm --- Fish Hatchery --- Hatcheries, Fish --- Hatchery, Fish --- 631.151.6 Integrated farm production systems. Sustainable agriculture --- 519.86 Theory of economic-mathematical models --- 57.087.1 Biometry. Statistical study and treatment of biological data --- 63.001.57 Agriculture and related sciences and techniques. Forestry. Farming. Wildlife exploitation--?.001.57 --- Biology, Economic --- Conservation of Natural Resources --- Economics --- Models, Theoretical --- Trees --- Experimental Model --- Experimental Models --- Mathematical Model --- Model, Experimental --- Models (Theoretical) --- Models, Experimental --- Models, Theoretic --- Theoretical Study --- Mathematical Models --- Model (Theoretical) --- Model, Mathematical --- Model, Theoretical --- Models, Mathematical --- Studies, Theoretical --- Study, Theoretical --- Theoretical Model --- Theoretical Models --- Theoretical Studies --- Computer Simulation --- Systems Theory --- Mathématiques économiques --- Programmation (mathématiques) --- Mathématiques économiques --- Programmation (mathématiques) --- Forest management - Mathematical models --- Renewable natural resources - Mathematical models --- Fishery management - Mathematical models --- Biomathematique --- Ecologie mathematique