0 • A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P • Q • R • S • T • U • V • W • X • Y • Z
1: Active solar heating system 2: Soil 3: Community 4: Feeder 5: Lead 6: Range 7: Human 8: Water 9: Current 10: Carbon 11: Environment 12: Process 13: Electricity 14: Fishery 15: Condition 16: Contamination 17: Atom 18: Plant 19: Hazard 20: Conservation (As of 12:52)
ASPEN --->ASPEN model
Energy-efficiency --->'Energy efficiency'
