Science: Insulation

insulation

Insulation
insulation

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