Science: Insulation

insulation

Insulation
insulation

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