radiation shields (8K, 80K), 
radiation shield supports, 
PTC head, 
compressor, 
valve unit, 
valve unit support, 
vibration reduction system, 
1st cold stage, 
2nd cold stage, 
heat conductors, 
vacuum chamber for PTC, 
defrosters, 
heat link A, 
heat link B, 
IM wire, 
RM wire, 
TM fiber (sapphire), 
