Science: Insulation

insulation

Insulation
insulation

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