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astronomy oceanography medicine and manufacturing use 99 55 54 47 41 and 94 ... 63g-personnel detection techniques and equipment for the detection of ... of acoustic seismic olfactory chemical and optical detectors antiintrusion devices ... 63h-radiofrequency detection techniques and equipment for the detection and ... astronomy oceanography medicine and manufacturing use 55 54 57 41 and 94 ... 63i-seismic detection techniques and equipment for the detection of objects ... phototransistors light emitting diodes and optical detectors use 49e 97-energy 970 ... reserves fuel stockpiles mineral and fossil fuel deposits including coal ... petroleum natural gas geothermal peat and oil shale water power potential site ... studies of wind power potential and solar radiation availability for ...

satellites aerial photography and other remote sensing techniques to scan ... resources hydrology animals forests and other resources surveying techniques ... as image processing photointerpretation and pattern recognition for agricultural ... use 63 48d-forestry forest description and measurement forest influences forest ... protection and management harvesting logging sawmills ... and transportation silviculture forest ... nurseries afforestation reforestation and deforestation forest fires and ... classification surveys soil erosion and its prevention land reclamation ... terracing contouring polders tillage and fertility soil banks for irrigation use ... 98c for mechanical and engineering properties use 50d 48f- ... geophysics structure properties and classification of rocks paleontology ...