--gm hk  chi
++000    00000ngm a2200000 a 4500
++090    |a530 ENG
++245 10 |a工程科學|h[videorecording]
++260    |a本校錄影
++300    |a1 videorecording
++500    |a(1) All Around Us Radiation (2) Energy For All (3) Light, Electrons And The Atom (4) Radiation - All Introduction (5) Radioactivity And You (6) An Learning About Electricity (7) Phase Changes CO2
++500    |a英語旁述
++690    |aEngineering Science[工程科學]