Science: Insulation

insulation

Insulation
insulation

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