Science: Insulation

insulation

Insulation
insulation

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