Science: Insulation

insulation

Insulation
insulation

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