443.1 Atmospheric Properties - 525.1 Energy Resources and Renewable Energy Issues - 525.2 Energy Conservation - 525.4 Energy Losses (industrial and residential) - 525.6 Energy Policy - 614 Steam Power Plants - 615.8 Wind Power (Before 1993;
use code 611 ) - 706.1 Electric Power Systems - 706.1.1 Electric Power Transmission - 731.2 Control System Applications - 804.2 Inorganic Compounds - 913.3 Quality Assurance and Control;