00000nz a2200000n 4500 001 KSH2000005105 005 20000226200446 008 000226 n azknn|abn |a a|a | 150 ▼a에너지 난[--難]▲ 450 ▼wr▼i영어▼aenergy shortage▲ 450 ▼wr▼i영어▼ashortage of energy▲ 550 ▼a에너지[energy]▲