Science: Insulation

insulation

Insulation
insulation

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