Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
R T R Y G R E N E
C O L D C T N Q T
U L T K E Q A R U
H R M A O D A U R
Y B D L L N U N N
E V O T S U C U H
E R I F R Q S O A
E H E A T O T N H
D R Q J Y M J G I
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