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