Science: Insulation

insulation

Insulation
insulation

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