Science: Insulation

insulation

Insulation
insulation

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