Science: Insulation

insulation

Insulation
insulation

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