Science: Insulation

insulation

Insulation
insulation

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