Science: Insulation

insulation

Insulation
insulation

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