Science: Insulation

insulation

Insulation
insulation

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