Science: Insulation

insulation

Insulation
insulation

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