Science: Insulation

insulation

Insulation
insulation

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