Science: Insulation

insulation

Insulation
insulation

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