Science: Insulation

insulation

Insulation
insulation

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