Science: Insulation

insulation

Insulation
insulation

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