Science: Insulation

insulation

Insulation
insulation

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