Science: Insulation

insulation

Insulation
insulation

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