Science: Insulation

insulation

Insulation
insulation

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