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