Science: Insulation

insulation

Insulation
insulation

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