Science: Insulation

insulation

Insulation
insulation

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