Science: Insulation

insulation

Insulation
insulation

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