Science: Insulation

insulation

Insulation
insulation

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