Science: Insulation

insulation

Insulation
insulation

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