Science: Insulation

insulation

Insulation
insulation

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