Science: Insulation

insulation

Insulation
insulation

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