Science: Insulation

insulation

Insulation
insulation

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