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 R T P D K
O E T E R P N Q G
T B A A R E W I A
B P D T L G G F R
U B J L S U Y A Q
P T E V O T S U N
R C X Z O C W N U
T Z T U C B G O I
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