Science: Insulation

insulation

Insulation
insulation

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