Science: Insulation

insulation

Insulation
insulation

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