Science: Insulation

insulation

Insulation
insulation

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