Science: Insulation

insulation

Insulation
insulation

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