Science: Insulation

insulation

Insulation
insulation

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