Science: Insulation

insulation

Insulation
insulation

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