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
Q N I N D X Q A S
T R S H E A T W R
E U T U O R U H N
N W O A L T G P U
B B V V T A C Y N
V C E G E S T Q D
H T A X G D L O C
C T O S S D H B R
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