Science: Insulation

insulation

Insulation
insulation

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