Science: Insulation

insulation

Insulation
insulation

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