Science: Insulation

insulation

Insulation
insulation

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