Science: Insulation

insulation

Insulation
insulation

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