Science: Insulation

insulation

Insulation
insulation

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