Science: Insulation

insulation

Insulation
insulation

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