Science: Insulation

insulation

Insulation
insulation

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