Science: Insulation

insulation

Insulation
insulation

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