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: Human 7: Water 8: Range 9: Carbon 10: Current 11: Process 12: Environment 13: Contamination 14: Condition 15: Atom 16: Electricity 17: Fishery 18: Conservation 19: Plant 20: Hazard (As of 14:30)
ASPEN --->ASPEN model
Energy-efficiency --->'Energy efficiency'
