Science: Insulation

insulation

Insulation
insulation

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